Tailwind CSS v3 color
Tailwind cyan-100 #CFFAFE
Tailwind CSS v3's cyan-100 is #CFFAFE. It is a pale grayish cyan in the cyan family. In OKLCH it sits at lightness 0.956, chroma 0.044 and hue 203.4°. The nearest CSS named color is lightcyan (#E0FFFF), ΔE2000 3.4 away.
- Relative luminance
- 0.8879
- OKLCH L · C · h
- 0.956 · 0.044 · 203.4
- Best text
- Black 18.75:1
- Hue family
- Cyan
#CFFAFE color codes
- HEX
#CFFAFE- RGB
rgb(207, 250, 254)- HSL
hsl(185, 96%, 90%)- OKLCH
oklch(0.956 0.044 203.4)- OKLab
oklab(0.956 -0.041 -0.018)- CIELAB (D65)
L* 95.49, a* -12.85, b* -6.48- XYZ (D65)
X 77.80, Y 88.79, Z 106.79- CMYK (naive)
cmyk(19%, 2%, 0%, 0%)
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 #CFFAFE accessible?
Black text on it reaches 18.75:1, passing AAA. White text fails at 1.11:1.
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
18.75:1
- AA passes
- AA large passes
- AAA passes
- APCA Lc +98
-
White text on it
1.11:1
- AA fails
- AA large fails
- AAA fails
- APCA Lc 0
Text is here, unreadable at 1.11:1
-
As text on black
18.75:1
- AA passes
- AA large passes
- AAA passes
- APCA Lc −99
-
As text on white
1.11:1
- AA fails
- AA large fails
- AAA fails
- APCA Lc 0
Text is here, unreadable at 1.11:1
Nearest versions that pass 4.5:1
-
For text on white
#557D81 4.52:1
Darkening its OKLCH lightness from 0.96 to 0.56 reaches 4.52:1 on white, keeping the hue.
-
For text on black
#CFFAFE 18.75:1
It already reaches 18.75:1 on black, so no change is needed.
Checking another pair? Use the Contrast Checker.
Studio
Adjust #CFFAFE 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 #CFFAFE
Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #CFFAFE sits at step 50.
Under each step, white and black text on it; a bold figure passes 4.5:1.
Tailwind CSS v3 cyan scale
The real Tailwind palette, for comparison with the computed ramp above.
Gamut
How vivid #CFFAFE can get
At its lightness and hue, sRGB reaches OKLCH chroma 0.048; #CFFAFE uses 93% of it. Display P3, which many recent phones and laptops show, reaches 0.052 there: 8% more.
- sRGB
- Display P3
- Rec. 2020
- Dominant wavelength
- OKLCH chroma
- 0.044
- sRGB edge
- 0.048
- Display P3 edge
- 0.052
- Rec. 2020 edge
- 0.052
- Dominant wavelength
- 490 nm
- Excitation purity
- 11%
- Chromaticity
- x 0.2846, y 0.3248
- This color#CFFAFE
- Most vivid in sRGB#CCFBFF
- Most vivid in Display P3oklch(0.956 0.052 203.4)
On a screen without Display P3 the last tile shows the sRGB edge instead.
.accent {
color: #cffafe;
}
@media (color-gamut: p3) {
.accent { color: color(display-p3 0.8281 0.9804 1); }
}Mixing
Mixing #CFFAFE
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%#E7FDFF
- OKLab50%#E8FDFF
- OKLCH50%#E8FDFF
Black #000000
- sRGB50%#687D7F
- OKLab50%#4F6163
- OKLCH50%#4F6163
Its complement #FFEBEA
- sRGB50%#E7F3F4
- OKLab50%#E8F3F4
- OKLCH50%#F0EEFF
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #cffafe, white);
color: color-mix(in oklch, #cffafe 50%, white);In use
#CFFAFE 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, 4.5:118.75:1 Passes
- Link and body-size textText, 4.5:11.11:1 Fails
- Large headingLarge text, 3:11.11:1 Fails
- Icons, borders and focus ringsNon-text, 3:11.11:1 Fails
For text on this page, the nearest shade that passes is #557D81 4.52:1
Dark page
- Button labelText, 4.5:118.75:1 Passes
- Link and body-size textText, 4.5:116.73:1 Passes
- Large headingLarge text, 3:116.73:1 Passes
- Icons, borders and focus ringsNon-text, 3:116.73:1 Passes
Color vision
How #CFFAFE looks with color blindness
Deuteranopia changes it most, ΔE2000 14.8; tritanopia changes it least, 5.1.
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
#F3F6FE ΔE2000 13.9
Distinct
Reads as off-white
-
Deuteranopia
No working green (medium-wavelength) cones
#EAEFFE ΔE2000 14.8
Distinct
Reads as pale grayish blue
-
Tritanopia
No working blue (short-wavelength) cones
#C1FEFB ΔE2000 5.1
Noticeable
Reads as pale muted cyan
-
Achromatopsia
No cone color vision; lightness only
#F2F2F2 ΔE2000 13.9
Distinct
Reads as off-white
Pairing check
Checked against its complement, #FFEBEA. Their lightness contrast is only 1.02:1, so where hue collapses, add a label, icon or pattern.
| Vision | The pair | ΔE2000 | Verdict |
|---|---|---|---|
| Normal vision | #CFFAFE · #FFEBEA | 27.7 | Stays distinct |
| Protanopia | #F3F6FE · #EEEDEA | 5.8 | Harder to tell apart |
| Deuteranopia | #EAEFFE · #F3F1EA | 10.6 | Stays distinct |
| Tritanopia | #C1FEFB · #FFE9EB | 35.6 | Stays distinct |
| Achromatopsia | #F2F2F2 · #EFEFEF | 0.6 | Easily confused |
Harmony
Color harmonies for #CFFAFE
Its complement is #FFEBEA, a pale grayish red.
Hue rotations in OKLCH, mapped into sRGB by trimming chroma so hue and lightness stay put.
Open the Harmony Studio- Base#CFFAFE
- Complement#FFEBEA
Complementary
Open in Harmony Studio- −30°#D3FBEE
- Base#CFFAFE
- +30°#E1F4FF
Analogous
Open in Harmony Studio- Base#CFFAFE
- +120°#FDE9FF
- +240°#FFEFD0
Triadic
Open in Harmony Studio- Base#CFFAFE
- +150°#FFEAF2
- +210°#FFECE1
Split-complementary
Open in Harmony StudioCode
Design tokens
Ready-to-paste tokens in six formats. Rename them to fit your system.
:root {
--color-cyan-100: #cffafe;
}// tailwind.config.js — already built in as cyan-100;
// pin the v3 value explicitly like this:
module.exports = {
theme: {
extend: {
colors: {
cyan: { 100: '#cffafe' },
},
},
},
};/* app.css — Tailwind CSS v4 */
@import "tailwindcss";
@theme {
/* v4 has its own cyan-100; this pins the v3 value. */
--color-cyan-100: oklch(0.956 0.044 203.4);
}{
"color": {
"cyan-100": {
"$type": "color",
"$value": {
"colorSpace": "srgb",
"components": [0.8118, 0.9804, 0.9961],
"hex": "#cffafe"
},
"$description": "Tailwind CSS v3 cyan-100"
}
}
}import SwiftUI
enum Palette {
static let cyan100 = Color(.sRGB, red: 0.812, green: 0.980, blue: 0.996, opacity: 1)
}import androidx.compose.ui.graphics.Color
object Palette {
val Cyan100 = Color(0xFFCFFAFE)
}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 #CFFAFE 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.