Tailwind CSS v3 color
Tailwind yellow-900 #713F12
Tailwind CSS v3's yellow-900 is #713F12. It is a dark muted brown in the brown family. In OKLCH it sits at lightness 0.421, chroma 0.090 and hue 57.7°. The nearest CSS named color is saddlebrown (#8B4513), ΔE2000 6.2 away.
- Relative luminance
- 0.0711
- OKLCH L · C · h
- 0.421 · 0.090 · 57.7
- Best text
- White 8.67:1
- Hue family
- Brown
#713F12 color codes
- HEX
#713F12- RGB
rgb(113, 63, 18)- HSL
hsl(28, 73%, 26%)- OKLCH
oklch(0.421 0.090 57.7)- OKLab
oklab(0.421 0.048 0.076)- CIELAB (D65)
L* 32.06, a* 18.17, b* 35.06- XYZ (D65)
X 8.70, Y 7.11, Z 1.49- CMYK (naive)
cmyk(0%, 44%, 84%, 56%)
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 #713F12 accessible?
White text on it reaches 8.67:1, passing AAA. Black text fails at 2.42:1.
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
2.42:1
- AA fails
- AA large fails
- AAA fails
- APCA Lc +14
-
White text on it
8.67:1
- AA passes
- AA large passes
- AAA passes
- APCA Lc −93
-
As text on black
2.42:1
- AA fails
- AA large fails
- AAA fails
- APCA Lc −12
-
As text on white
8.67:1
- AA passes
- AA large passes
- AAA passes
- APCA Lc +89
Nearest versions that pass 4.5:1
-
For text on white
#713F12 8.67:1
It already reaches 8.67:1 on white, so no change is needed.
-
For text on black
#9E683E 4.50:1
Lightening its OKLCH lightness from 0.42 to 0.57 reaches 4.50:1 on black, keeping the hue.
Checking another pair? Use the Contrast Checker.
Studio
Adjust #713F12 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 #713F12
Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #713F12 sits at step 700.
Under each step, white and black text on it; a bold figure passes 4.5:1.
Tailwind CSS v3 yellow scale
The real Tailwind palette, for comparison with the computed ramp above.
Gamut
How vivid #713F12 can get
At its lightness and hue, sRGB reaches OKLCH chroma 0.101; #713F12 uses 89% of it. Display P3, which many recent phones and laptops show, reaches 0.116 there: 14% more.
- sRGB
- Display P3
- Rec. 2020
- Dominant wavelength
- OKLCH chroma
- 0.090
- sRGB edge
- 0.101
- Display P3 edge
- 0.116
- Rec. 2020 edge
- 0.117
- Dominant wavelength
- 588 nm
- Excitation purity
- 76%
- Chromaticity
- x 0.5029, y 0.4111
- This color#713F12
- Most vivid in sRGB#753C00
- Most vivid in Display P3oklch(0.421 0.116 57.7)
On a screen without Display P3 the last tile shows the sRGB edge instead.
.accent {
color: #713f12;
}
@media (color-gamut: p3) {
.accent { color: color(display-p3 0.4459 0.2363 0); }
}Mixing
Mixing #713F12
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%#B89F89
- OKLab50%#B89B87
- OKLCH50%#B89B87
Black #000000
- sRGB50%#392009
- OKLab50%#271202
- OKLCH50%#271202
Its complement #075378
- sRGB50%#3C4945
- OKLab50%#4D4D4D
- OKLCH50%#673A66
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #713f12, white);
color: color-mix(in oklch, #713f12 50%, white);In use
#713F12 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, 4.5:18.67:1 Passes
- Link and body-size textText, 4.5:18.67:1 Passes
- Large headingLarge text, 3:18.67:1 Passes
- Icons, borders and focus ringsNon-text, 3:18.67:1 Passes
Dark page
- Button labelText, 4.5:18.67:1 Passes
- Link and body-size textText, 4.5:12.16:1 Fails
- Large headingLarge text, 3:12.16:1 Fails
- Icons, borders and focus ringsNon-text, 3:12.16:1 Fails
For text on this page, the nearest shade that passes is #A77147 4.54:1
Color vision
How #713F12 looks with color blindness
Achromatopsia changes it most, ΔE2000 21.7; protanopia changes it least, 15.8.
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
#4E440B ΔE2000 15.8
Distinct
Reads as dark muted brown
-
Deuteranopia
No working green (medium-wavelength) cones
#5A5012 ΔE2000 16.5
Distinct
Reads as dark muted brown
-
Tritanopia
No working blue (short-wavelength) cones
#7C3436 ΔE2000 17.6
Distinct
Reads as dark soft brown
-
Achromatopsia
No cone color vision; lightness only
#4B4B4B ΔE2000 21.7
Distinct
Reads as dark gray
Pairing check
Checked against its complement, #075378. Their lightness contrast is only 1.03:1, so where hue collapses, add a label, icon or pattern.
| Vision | The pair | ΔE2000 | Verdict |
|---|---|---|---|
| Normal vision | #713F12 · #075378 | 38.7 | Stays distinct |
| Protanopia | #4E440B · #41537A | 38.5 | Stays distinct |
| Deuteranopia | #5A5012 · #324A77 | 41.2 | Stays distinct |
| Tritanopia | #7C3436 · #005C60 | 42.5 | Stays distinct |
| Achromatopsia | #4B4B4B · #4E4E4E | 1.0 | Easily confused |
Harmony
Color harmonies for #713F12
Its complement is #075378, a dark muted blue, on the cool 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#713F12
- Complement#075378
Complementary
Open in Harmony Studio- −30°#773831
- Base#713F12
- +30°#614A00
Analogous
Open in Harmony Studio- Base#713F12
- +120°#005B4D
- +240°#534178
Triadic
Open in Harmony Studio- Base#713F12
- +150°#005862
- +210°#384A7E
Split-complementary
Open in Harmony StudioCode
Design tokens
Ready-to-paste tokens in six formats. Rename them to fit your system.
:root {
--color-yellow-900: #713f12;
}// tailwind.config.js — already built in as yellow-900;
// pin the v3 value explicitly like this:
module.exports = {
theme: {
extend: {
colors: {
yellow: { 900: '#713f12' },
},
},
},
};/* app.css — Tailwind CSS v4 */
@import "tailwindcss";
@theme {
/* v4 has its own yellow-900; this pins the v3 value. */
--color-yellow-900: oklch(0.421 0.090 57.7);
}{
"color": {
"yellow-900": {
"$type": "color",
"$value": {
"colorSpace": "srgb",
"components": [0.4431, 0.2471, 0.0706],
"hex": "#713f12"
},
"$description": "Tailwind CSS v3 yellow-900"
}
}
}import SwiftUI
enum Palette {
static let yellow900 = Color(.sRGB, red: 0.443, green: 0.247, blue: 0.071, opacity: 1)
}import androidx.compose.ui.graphics.Color
object Palette {
val Yellow900 = Color(0xFF713F12)
}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 #713F12 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.