Tailwind CSS v3 color
Tailwind lime-950 #1A2E05
Tailwind CSS v3's lime-950 is #1A2E05. It is a very dark muted green in the green family. In OKLCH it sits at lightness 0.274, chroma 0.069 and hue 132.1°. The nearest CSS named color is darkgreen (#006400), ΔE2000 18.8 away.
- Relative luminance
- 0.0218
- OKLCH L · C · h
- 0.274 · 0.069 · 132.1
- Best text
- White 14.61:1
- Hue family
- Green
#1A2E05 color codes
- HEX
#1A2E05- RGB
rgb(26, 46, 5)- HSL
hsl(89, 80%, 10%)- OKLCH
oklch(0.274 0.069 132.1)- OKLab
oklab(0.274 -0.046 0.051)- CIELAB (D65)
L* 16.43, a* -16.33, b* 21.32- XYZ (D65)
X 1.43, Y 2.18, Z 0.49- CMYK (naive)
cmyk(43%, 0%, 89%, 82%)
CIELAB and XYZ use the D65 white point; CSS lab() uses D50, so paste the OKLCH or HEX value into stylesheets. CMYK here is a plain formula with no press profile.
Legibility
Contrast: is #1A2E05 accessible?
White text on it reaches 14.61:1, passing AAA. Black text fails at 1.43:1.
WCAG 2 gives the same ratio whichever color is the text; APCA does not, so its Lc changes sign and size with polarity.
Open the Contrast System-
Black text on it
1.43:1
- AA fails
- AA large fails
- AAA fails
- APCA Lc 0
Text is here, unreadable at 1.43:1
-
White text on it
14.61:1
- AA passes
- AA large passes
- AAA passes
- APCA Lc −104
-
As text on black
1.43:1
- AA fails
- AA large fails
- AAA fails
- APCA Lc 0
Text is here, unreadable at 1.43:1
-
As text on white
14.61:1
- AA passes
- AA large passes
- AAA passes
- APCA Lc +101
Nearest versions that pass 4.5:1
-
For text on white
#1A2E05 14.61:1
It already reaches 14.61:1 on white, so no change is needed.
-
For text on black
#657D52 4.60:1
Lightening its OKLCH lightness from 0.27 to 0.56 reaches 4.60:1 on black, keeping the hue.
Checking another pair? Use the Contrast Checker.
Studio
Adjust #1A2E05 live
Move lightness, chroma and hue in OKLCH, or drag on the map. The map is every lightness and chroma at the current hue: sRGB inside the solid area, Display P3 out to the dashed line.
Scale
Shades and tints of #1A2E05
Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #1A2E05 sits at step 900.
Under each step, white and black text on it; a bold figure passes 4.5:1.
Tailwind CSS v3 lime scale
The real Tailwind palette, for comparison with the computed ramp above.
Gamut
How vivid #1A2E05 can get
At its lightness and hue, sRGB reaches OKLCH chroma 0.077; #1A2E05 uses 90% of it. Display P3, which many recent phones and laptops show, reaches 0.090 there: 17% more.
- sRGB
- Display P3
- Rec. 2020
- Dominant wavelength
- OKLCH chroma
- 0.069
- sRGB edge
- 0.077
- Display P3 edge
- 0.090
- Rec. 2020 edge
- 0.093
- Dominant wavelength
- 559 nm
- Excitation purity
- 67%
- Chromaticity
- x 0.3485, y 0.5322
- This color#1A2E05
- Most vivid in sRGB#182F00
- Most vivid in Display P3oklch(0.274 0.090 132.1)
On a screen without Display P3 the last tile shows the sRGB edge instead.
.accent {
color: #1a2e05;
}
@media (color-gamut: p3) {
.accent { color: color(display-p3 0.108 0.1839 0); }
}Mixing
Mixing #1A2E05
Each row is the same mix worked out in a different space, with the halfway color at its end. sRGB, which older CSS gradients use, can sag gray or dark in the middle; OKLab keeps the lightness steps even; OKLCH holds chroma and hue as it goes.
White #FFFFFF
- sRGB50%#8D9782
- OKLab50%#84907B
- OKLCH50%#84907B
Black #000000
- sRGB50%#0D1703
- OKLab50%#040B01
- OKLCH50%#040B01
Its complement #331C3F
- sRGB50%#272522
- OKLab50%#282727
- OKLCH50%#421A08
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #1a2e05, white);
color: color-mix(in oklch, #1a2e05 50%, white);In use
#1A2E05 in an interface
A button, a link, a heading, a focused field, an icon and a chart line in this color, on a light page and a dark one. Each check is a WCAG 2 contrast minimum: 1.4.3 for text, 1.4.11 for the rest.
Light page
- Button labelText, 4.5:114.61:1 Passes
- Link and body-size textText, 4.5:114.61:1 Passes
- Large headingLarge text, 3:114.61:1 Passes
- Icons, borders and focus ringsNon-text, 3:114.61:1 Passes
Dark page
- Button labelText, 4.5:114.61:1 Passes
- Link and body-size textText, 4.5:11.28:1 Fails
- Large headingLarge text, 3:11.28:1 Fails
- Icons, borders and focus ringsNon-text, 3:11.28:1 Fails
For text on this page, the nearest shade that passes is #6C845A 4.53:1
Color vision
How #1A2E05 looks with color blindness
Achromatopsia changes it most, ΔE2000 18.5; protanopia changes it least, 11.2.
Simulated with Machado et al. (2009) at full severity, in linear light.
Simulate a whole page What each type sees-
Protanopia
No working red (long-wavelength) cones
#302A01 ΔE2000 11.2
Distinct
Reads as very dark muted yellow
-
Deuteranopia
No working green (medium-wavelength) cones
#2E2808 ΔE2000 11.7
Distinct
Reads as very dark grayish brown
-
Tritanopia
No working blue (short-wavelength) cones
#1A2C26 ΔE2000 12.7
Distinct
Reads as very dark grayish teal
-
Achromatopsia
No cone color vision; lightness only
#292929 ΔE2000 18.5
Distinct
Reads as near-black
Pairing check
Checked against its complement, #331C3F. Their lightness contrast is only 1.04:1, so where hue collapses, add a label, icon or pattern.
| Vision | The pair | ΔE2000 | Verdict |
|---|---|---|---|
| Normal vision | #1A2E05 · #331C3F | 43.3 | Stays distinct |
| Protanopia | #302A01 · #142440 | 32.3 | Stays distinct |
| Deuteranopia | #2E2808 · #1B263E | 28.5 | Stays distinct |
| Tritanopia | #1A2C26 · #32212A | 23.4 | Stays distinct |
| Achromatopsia | #292929 · #252525 | 1.3 | Easily confused |
Harmony
Color harmonies for #1A2E05
Its complement is #331C3F, a very dark muted violet.
Hue rotations in OKLCH, mapped into sRGB by trimming chroma so hue and lightness stay put.
Open the Harmony Studio- Base#1A2E05
- Complement#331C3F
Complementary
Open in Harmony Studio- −30°#2D2800
- Base#1A2E05
- +30°#00301E
Analogous
Open in Harmony Studio- Base#1A2E05
- +120°#092848
- +240°#43161E
Triadic
Open in Harmony Studio- Base#1A2E05
- +150°#232248
- +210°#3D1831
Split-complementary
Open in Harmony StudioCode
Design tokens
Ready-to-paste tokens in six formats. Rename them to fit your system.
:root {
--color-lime-950: #1a2e05;
}// tailwind.config.js — already built in as lime-950;
// pin the v3 value explicitly like this:
module.exports = {
theme: {
extend: {
colors: {
lime: { 950: '#1a2e05' },
},
},
},
};/* app.css — Tailwind CSS v4 */
@import "tailwindcss";
@theme {
/* v4 has its own lime-950; this pins the v3 value. */
--color-lime-950: oklch(0.274 0.069 132.1);
}{
"color": {
"lime-950": {
"$type": "color",
"$value": {
"colorSpace": "srgb",
"components": [0.102, 0.1804, 0.0196],
"hex": "#1a2e05"
},
"$description": "Tailwind CSS v3 lime-950"
}
}
}import SwiftUI
enum Palette {
static let lime950 = Color(.sRGB, red: 0.102, green: 0.180, blue: 0.020, opacity: 1)
}import androidx.compose.ui.graphics.Color
object Palette {
val Lime950 = Color(0xFF1A2E05)
}Matches
The nearest match in each system
The closest CSS name, Tailwind shade, RAL Classic paint and Crayola crayon by ΔE2000; under 2 is hard to tell apart side by side. RAL and Crayola values approximate physical colors.
Tools
Open #1A2E05 in the tools
Each opens over this page. More colors live in the Color Library, and every color page is listed on the hub.
- Color InspectorEvery format, its names, contrast and color vision in one panel.
- Contrast SystemBlack and white text on this color, with fixes in both directions.
- Harmony StudioPalettes built from this color, walked to a contrast target if you ask.
- Color Space ConverterThe same color in 34 notations, with its gamut headroom.
- Color Name FinderThe nearest of 1,055 color names by ΔE2000.