Tailwind CSS v3 color
Tailwind emerald-800 #065F46
Tailwind CSS v3's emerald-800 is #065F46. It is a dark muted green in the green family. In OKLCH it sits at lightness 0.432, chroma 0.086 and hue 166.9°. The nearest CSS named color is darkslategray (#2F4F4F), ΔE2000 13.6 away.
- Relative luminance
- 0.0867
- OKLCH L · C · h
- 0.432 · 0.086 · 166.9
- Best text
- White 7.68:1
- Hue family
- Green
#065F46 color codes
- HEX
#065F46- RGB
rgb(6, 95, 70)- HSL
hsl(163, 88%, 20%)- OKLCH
oklch(0.432 0.086 166.9)- OKLab
oklab(0.432 -0.084 0.020)- CIELAB (D65)
L* 35.33, a* -30.57, b* 7.67- XYZ (D65)
X 5.27, Y 8.66, Z 7.19- CMYK (naive)
cmyk(94%, 0%, 26%, 63%)
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 #065F46 accessible?
White text on it reaches 7.68:1, passing AAA. Black text fails at 2.73:1.
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
2.73:1
- AA fails
- AA large fails
- AAA fails
- APCA Lc +17
-
White text on it
7.68:1
- AA passes
- AA large passes
- AAA passes
- APCA Lc −91
-
As text on black
2.73:1
- AA fails
- AA large fails
- AAA fails
- APCA Lc −15
-
As text on white
7.68:1
- AA passes
- AA large passes
- AAA passes
- APCA Lc +86
Nearest versions that pass 4.5:1
-
For text on white
#065F46 7.68:1
It already reaches 7.68:1 on white, so no change is needed.
-
For text on black
#378267 4.55:1
Lightening its OKLCH lightness from 0.43 to 0.55 reaches 4.55:1 on black, keeping the hue.
Checking another pair? Use the Contrast Checker.
Studio
Adjust #065F46 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 #065F46
Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #065F46 sits at step 700.
Under each step, white and black text on it; a bold figure passes 4.5:1.
Tailwind CSS v3 emerald scale
The real Tailwind palette, for comparison with the computed ramp above.
Gamut
How vivid #065F46 can get
At its lightness and hue, sRGB reaches OKLCH chroma 0.089; #065F46 uses 97% of it. Display P3, which many recent phones and laptops show, reaches 0.121 there: 37% more.
- sRGB
- Display P3
- Rec. 2020
- Dominant wavelength
- OKLCH chroma
- 0.086
- sRGB edge
- 0.089
- Display P3 edge
- 0.121
- Rec. 2020 edge
- 0.191
- Dominant wavelength
- 508 nm
- Excitation purity
- 21%
- Chromaticity
- x 0.2496, y 0.4102
- This color#065F46
- Most vivid in sRGB#005F46
- Most vivid in Display P3oklch(0.432 0.121 166.9)
On a screen without Display P3 the last tile shows the sRGB edge instead.
.accent {
color: #065f46;
}
@media (color-gamut: p3) {
.accent { color: color(display-p3 0 0.3845 0.2665); }
}Mixing
Mixing #065F46
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%#83AFA3
- OKLab50%#8AAC9E
- OKLCH50%#8AAC9E
Black #000000
- sRGB50%#033023
- OKLab50%#012015
- OKLCH50%#012015
Its complement #723B59
- sRGB50%#3C4D50
- OKLab50%#505050
- OKLCH50%#6A4908
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #065f46, white);
color: color-mix(in oklch, #065f46 50%, white);In use
#065F46 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, 4.5:17.68:1 Passes
- Link and body-size textText, 4.5:17.68:1 Passes
- Large headingLarge text, 3:17.68:1 Passes
- Icons, borders and focus ringsNon-text, 3:17.68:1 Passes
Dark page
- Button labelText, 4.5:17.68:1 Passes
- Link and body-size textText, 4.5:12.43:1 Fails
- Large headingLarge text, 3:12.43:1 Fails
- Icons, borders and focus ringsNon-text, 3:12.43:1 Fails
For text on this page, the nearest shade that passes is #3F8A6E 4.52:1
Color vision
How #065F46 looks with color blindness
Achromatopsia changes it most, ΔE2000 22.0; tritanopia changes it least, 7.3.
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
#5C5745 ΔE2000 20.8
Distinct
Reads as dark grayish brown
-
Deuteranopia
No working green (medium-wavelength) cones
#525048 ΔE2000 21.0
Distinct
Reads as dark gray
-
Tritanopia
No working blue (short-wavelength) cones
#005F58 ΔE2000 7.3
Noticeable
Reads as dark muted teal
-
Achromatopsia
No cone color vision; lightness only
#535353 ΔE2000 22.0
Distinct
Reads as dark gray
Pairing check
Checked against its complement, #723B59. Their lightness contrast is only 1.09:1, so where hue collapses, add a label, icon or pattern.
| Vision | The pair | ΔE2000 | Verdict |
|---|---|---|---|
| Normal vision | #065F46 · #723B59 | 41.4 | Stays distinct |
| Protanopia | #5C5745 · #40475A | 20.7 | Stays distinct |
| Deuteranopia | #525048 · #4E5158 | 9.1 | Harder to tell apart |
| Tritanopia | #005F58 · #793A46 | 45.8 | Stays distinct |
| Achromatopsia | #535353 · #4D4D4D | 2.1 | Easily confused |
Harmony
Color harmonies for #065F46
Its complement is #723B59, a dark muted wine, on the warm side of the wheel.
Hue rotations in OKLCH, mapped into sRGB by trimming chroma so hue and lightness stay put.
Open the Harmony Studio- Base#065F46
- Complement#723B59
Complementary
Open in Harmony Studio- −30°#385B29
- Base#065F46
- +30°#005C5E
Analogous
Open in Harmony Studio- Base#065F46
- +120°#4D487D
- +240°#764023
Triadic
Open in Harmony Studio- Base#065F46
- +150°#634070
- +210°#793B3F
Split-complementary
Open in Harmony StudioCode
Design tokens
Ready-to-paste tokens in six formats. Rename them to fit your system.
:root {
--color-emerald-800: #065f46;
}// tailwind.config.js — already built in as emerald-800;
// pin the v3 value explicitly like this:
module.exports = {
theme: {
extend: {
colors: {
emerald: { 800: '#065f46' },
},
},
},
};/* app.css — Tailwind CSS v4 */
@import "tailwindcss";
@theme {
/* v4 has its own emerald-800; this pins the v3 value. */
--color-emerald-800: oklch(0.432 0.086 166.9);
}{
"color": {
"emerald-800": {
"$type": "color",
"$value": {
"colorSpace": "srgb",
"components": [0.0235, 0.3725, 0.2745],
"hex": "#065f46"
},
"$description": "Tailwind CSS v3 emerald-800"
}
}
}import SwiftUI
enum Palette {
static let emerald800 = Color(.sRGB, red: 0.024, green: 0.373, blue: 0.275, opacity: 1)
}import androidx.compose.ui.graphics.Color
object Palette {
val Emerald800 = Color(0xFF065F46)
}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 #065F46 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.