Tailwind CSS v3 color
Tailwind amber-500 #F59E0B
Tailwind CSS v3's amber-500 is #F59E0B. It is a light soft orange in the orange family. In OKLCH it sits at lightness 0.769, chroma 0.165 and hue 70.1°. The nearest CSS named color is orange (#FFA500), ΔE2000 2.2 away.
- Relative luminance
- 0.4389
- OKLCH L · C · h
- 0.769 · 0.165 · 70.1
- Best text
- Black 9.77:1
- Hue family
- Orange
#F59E0B color codes
- HEX
#F59E0B- RGB
rgb(245, 158, 11)- HSL
hsl(38, 92%, 50%)- OKLCH
oklch(0.769 0.165 70.1)- OKLab
oklab(0.769 0.056 0.155)- CIELAB (D65)
L* 72.16, a* 23.49, b* 75.22- XYZ (D65)
X 49.95, Y 43.90, Z 6.16- CMYK (naive)
cmyk(0%, 36%, 96%, 4%)
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 #F59E0B accessible?
Black text on it reaches 9.77:1, passing AAA. White text fails at 2.14:1.
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
9.77:1
- AA passes
- AA large passes
- AAA passes
- APCA Lc +62
-
White text on it
2.14:1
- AA fails
- AA large fails
- AAA fails
- APCA Lc −46
-
As text on black
9.77:1
- AA passes
- AA large passes
- AAA passes
- APCA Lc −60
-
As text on white
2.14:1
- AA fails
- AA large fails
- AAA fails
- APCA Lc +41
Nearest versions that pass 4.5:1
-
For text on white
#A66900 4.52:1
Darkening its OKLCH lightness from 0.77 to 0.57 reaches 4.52:1 on white, keeping the hue.
-
For text on black
#F59E0B 9.77:1
It already reaches 9.77:1 on black, so no change is needed.
Checking another pair? Use the Contrast Checker.
Studio
Adjust #F59E0B 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 #F59E0B
Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #F59E0B sits at step 300.
Under each step, white and black text on it; a bold figure passes 4.5:1.
Tailwind CSS v3 amber scale
The real Tailwind palette, for comparison with the computed ramp above.
Gamut
How vivid #F59E0B can get
At its lightness and hue, sRGB reaches OKLCH chroma 0.166; #F59E0B uses 99% of it. Display P3, which many recent phones and laptops show, reaches 0.191 there: 15% more.
- sRGB
- Display P3
- Rec. 2020
- Dominant wavelength
- OKLCH chroma
- 0.165
- sRGB edge
- 0.166
- Display P3 edge
- 0.191
- Rec. 2020 edge
- 0.194
- Dominant wavelength
- 584 nm
- Excitation purity
- 83%
- Chromaticity
- x 0.4995, y 0.4389
- This color#F59E0B
- Most vivid in sRGB#F69E00
- Most vivid in Display P3oklch(0.769 0.191 70.1)
On a screen without Display P3 the last tile shows the sRGB edge instead.
.accent {
color: #f59e0b;
}
@media (color-gamut: p3) {
.accent { color: color(display-p3 0.9429 0.618 0); }
}
Mixing
Mixing #F59E0B
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%#FACF85
- OKLab50%#FCD09D
- OKLCH50%#FCD09D
Black #000000
- sRGB50%#7B4F06
- OKLab50%#5F3A01
- OKLCH50%#5F3A01
Its complement #74B9FF
- sRGB50%#B5AC85
- OKLab50%#BDB2A6
- OKLCH50%#4DCF94
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #f59e0b, white);
color: color-mix(in oklch, #f59e0b 50%, white);
In use
#F59E0B 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, 4.5:19.77:1 Passes
- Link and body-size textText, 4.5:12.14:1 Fails
- Large headingLarge text, 3:12.14:1 Fails
- Icons, borders and focus ringsNon-text, 3:12.14:1 Fails
For text on this page, the nearest shade that passes is #A66900 4.52:1
Dark page
- Button labelText, 4.5:19.77:1 Passes
- Link and body-size textText, 4.5:18.72:1 Passes
- Large headingLarge text, 3:18.72:1 Passes
- Icons, borders and focus ringsNon-text, 3:18.72:1 Passes
Color vision
How #F59E0B looks with color blindness
Tritanopia changes it most, ΔE2000 31.8; protanopia changes it least, 17.3.
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
#BBA400 ΔE2000 17.3
Distinct
Reads as light soft amber
-
Deuteranopia
No working green (medium-wavelength) cones
#D0B914 ΔE2000 17.9
Distinct
Reads as light soft yellow
-
Tritanopia
No working blue (short-wavelength) cones
#FF8887 ΔE2000 31.8
Distinct
Reads as light soft red
-
Achromatopsia
No cone color vision; lightness only
#B1B1B1 ΔE2000 28.4
Distinct
Reads as light gray
Pairing check
Checked against its complement, #74B9FF. 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 | #F59E0B · #74B9FF | 50.4 | Stays distinct |
| Protanopia | #BBA400 · #9CBCFF | 53.0 | Stays distinct |
| Deuteranopia | #D0B914 · #8AAEFE | 56.6 | Stays distinct |
| Tritanopia | #FF8887 · #0BC9D1 | 54.6 | Stays distinct |
| Achromatopsia | #B1B1B1 · #B4B4B4 | 0.8 | Easily confused |
Harmony
Color harmonies for #F59E0B
Its complement is #74B9FF, a light soft 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#F59E0B
- Complement#74B9FF
Complementary
Open in Harmony Studio- −30°#FF926C
- Base#F59E0B
- +30°#CCB500
Analogous
Open in Harmony Studio- Base#F59E0B
- +120°#00CEC7
- +240°#D395FF
Triadic
Open in Harmony Studio- Base#F59E0B
- +150°#00C7F1
- +210°#A5ABFF
Split-complementary
Open in Harmony StudioCode
Design tokens
Ready-to-paste tokens in six formats. Rename them to fit your system.
:root {
--color-amber-500: #f59e0b;
}
// tailwind.config.js — already built in as amber-500;
// pin the v3 value explicitly like this:
module.exports = {
theme: {
extend: {
colors: {
amber: { 500: '#f59e0b' },
},
},
},
};
/* app.css — Tailwind CSS v4 */
@import "tailwindcss";
@theme {
/* v4 has its own amber-500; this pins the v3 value. */
--color-amber-500: oklch(0.769 0.165 70.1);
}
{
"color": {
"amber-500": {
"$type": "color",
"$value": {
"colorSpace": "srgb",
"components": [0.9608, 0.6196, 0.0431],
"hex": "#f59e0b"
},
"$description": "Tailwind CSS v3 amber-500"
}
}
}
import SwiftUI
enum Palette {
static let amber500 = Color(.sRGB, red: 0.961, green: 0.620, blue: 0.043, opacity: 1)
}
import androidx.compose.ui.graphics.Color
object Palette {
val Amber500 = Color(0xFFF59E0B)
}
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 #F59E0B 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.