Tailwind CSS v3 color
Tailwind green-700 #15803D
Tailwind CSS v3's green-700 is #15803D. It is a soft green in the green family. In OKLCH it sits at lightness 0.527, chroma 0.137 and hue 150.1°. The nearest CSS named color is seagreen (#2E8B57), ΔE2000 5.8 away.
- Relative luminance
- 0.1593
- OKLCH L · C · h
- 0.527 · 0.137 · 150.1
- Best text
- White 5.01:1
- Hue family
- Green
#15803D color codes
- HEX
#15803D- RGB
rgb(21, 128, 61)- HSL
hsl(142, 72%, 29%)- OKLCH
oklch(0.527 0.137 150.1)- OKLab
oklab(0.527 -0.119 0.068)- CIELAB (D65)
L* 46.89, a* -44.27, b* 28.22- XYZ (D65)
X 8.87, Y 15.93, Z 7.02- CMYK (naive)
cmyk(84%, 0%, 52%, 50%)
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 #15803D accessible?
White text on it reaches 5.01:1, passing AA. Black text manages only 4.18:1, enough for large text only.
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
4.18:1
- AA fails
- AA large passes
- AAA fails
- APCA Lc +29
-
White text on it
5.01:1
- AA passes
- AA large passes
- AAA fails
- APCA Lc −79
-
As text on black
4.18:1
- AA fails
- AA large passes
- AAA fails
- APCA Lc −27
-
As text on white
5.01:1
- AA passes
- AA large passes
- AAA fails
- APCA Lc +74
Nearest versions that pass 4.5:1
-
For text on white
#15803D 5.01:1
It already reaches 5.01:1 on white, so no change is needed.
-
For text on black
#1F8643 4.54:1
Lightening its OKLCH lightness from 0.53 to 0.55 reaches 4.54:1 on black, keeping the hue.
Checking another pair? Use the Contrast Checker.
Studio
Adjust #15803D 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 #15803D
Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #15803D sits at step 600.
Under each step, white and black text on it; a bold figure passes 4.5:1.
Tailwind CSS v3 green scale
The real Tailwind palette, for comparison with the computed ramp above.
Gamut
How vivid #15803D can get
At its lightness and hue, sRGB reaches OKLCH chroma 0.145; #15803D uses 94% of it. Display P3, which many recent phones and laptops show, reaches 0.202 there: 39% more.
- sRGB
- Display P3
- Rec. 2020
- Dominant wavelength
- OKLCH chroma
- 0.137
- sRGB edge
- 0.145
- Display P3 edge
- 0.202
- Rec. 2020 edge
- 0.273
- Dominant wavelength
- 540 nm
- Excitation purity
- 40%
- Chromaticity
- x 0.2787, y 0.5007
- This color#15803D
- Most vivid in sRGB#00813A
- Most vivid in Display P3oklch(0.527 0.202 150.1)
On a screen without Display P3 the last tile shows the sRGB edge instead.
.accent {
color: #15803d;
}
@media (color-gamut: p3) {
.accent { color: color(display-p3 0 0.5227 0.1724); }
}Mixing
Mixing #15803D
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%#8AC09E
- OKLab50%#93BF9C
- OKLCH50%#93BF9C
Black #000000
- sRGB50%#0B401F
- OKLab50%#032E12
- OKLCH50%#032E12
Its complement #964990
- sRGB50%#566567
- OKLab50%#6B6B6B
- OKLCH50%#9D5700
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #15803d, white);
color: color-mix(in oklch, #15803d 50%, white);In use
#15803D 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, 4.5:15.01:1 Passes
- Link and body-size textText, 4.5:15.01:1 Passes
- Large headingLarge text, 3:15.01:1 Passes
- Icons, borders and focus ringsNon-text, 3:15.01:1 Passes
Dark page
- Button labelText, 4.5:15.01:1 Passes
- Link and body-size textText, 4.5:13.73:1 Fails
- Large headingLarge text, 3:13.73:1 Passes
- Icons, borders and focus ringsNon-text, 3:13.73:1 Passes
For text on this page, the nearest shade that passes is #2A8E4A 4.51:1
Color vision
How #15803D looks with color blindness
Achromatopsia changes it most, ΔE2000 25.0; tritanopia changes it least, 15.2.
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
#817437 ΔE2000 22.7
Distinct
Reads as muted amber
-
Deuteranopia
No working green (medium-wavelength) cones
#756C42 ΔE2000 21.3
Distinct
Reads as muted brown
-
Tritanopia
No working blue (short-wavelength) cones
#007E70 ΔE2000 15.2
Distinct
Reads as muted teal
-
Achromatopsia
No cone color vision; lightness only
#6F6F6F ΔE2000 25.0
Distinct
Reads as gray
Pairing check
Checked against its complement, #964990. Their lightness contrast is only 1.14:1, so where hue collapses, add a label, icon or pattern.
| Vision | The pair | ΔE2000 | Verdict |
|---|---|---|---|
| Normal vision | #15803D · #964990 | 69.2 | Stays distinct |
| Protanopia | #817437 · #455F92 | 42.7 | Stays distinct |
| Deuteranopia | #756C42 · #5B6A8E | 33.5 | Stays distinct |
| Tritanopia | #007E70 · #9B5066 | 51.9 | Stays distinct |
| Achromatopsia | #6F6F6F · #666666 | 3.5 | Easily confused |
Harmony
Color harmonies for #15803D
Its complement is #964990, a soft magenta.
Hue rotations in OKLCH, mapped into sRGB by trimming chroma so hue and lightness stay put.
Open the Harmony Studio- Base#15803D
- Complement#964990
Complementary
Open in Harmony Studio- −30°#627500
- Base#15803D
- +30°#007D6D
Analogous
Open in Harmony Studio- Base#15803D
- +120°#4D64B9
- +240°#AC4638
Triadic
Open in Harmony Studio- Base#15803D
- +150°#7855AD
- +210°#A74368
Split-complementary
Open in Harmony StudioCode
Design tokens
Ready-to-paste tokens in six formats. Rename them to fit your system.
:root {
--color-green-700: #15803d;
}// tailwind.config.js — already built in as green-700;
// pin the v3 value explicitly like this:
module.exports = {
theme: {
extend: {
colors: {
green: { 700: '#15803d' },
},
},
},
};/* app.css — Tailwind CSS v4 */
@import "tailwindcss";
@theme {
/* v4 has its own green-700; this pins the v3 value. */
--color-green-700: oklch(0.527 0.137 150.1);
}{
"color": {
"green-700": {
"$type": "color",
"$value": {
"colorSpace": "srgb",
"components": [0.0824, 0.502, 0.2392],
"hex": "#15803d"
},
"$description": "Tailwind CSS v3 green-700"
}
}
}import SwiftUI
enum Palette {
static let green700 = Color(.sRGB, red: 0.082, green: 0.502, blue: 0.239, opacity: 1)
}import androidx.compose.ui.graphics.Color
object Palette {
val Green700 = Color(0xFF15803D)
}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 #15803D 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.