#21A8A1#21A8A1
#21A8A1 is a light, moderate teal. Relative luminance 0.309; OKLCH L 66.3% C 0.108 H 189.4°. Best body text is #000000 at 7.18:1 contrast (WCAG AA passes).
Color values
| HEX | #21A8A1 |
|---|---|
| RGB | rgb(33, 168, 161) |
| HSL | hsl(177, 67%, 39%) |
| HSV | hsv(177, 80%, 66%) |
| CMYK | cmyk(80.4%, 0%, 4.2%, 34.1%) |
| CIE-LAB | lab(62.42, -35.47, -6.30) |
| CIE-LCH | lch(62.42, 36.02, 190.06°) |
| OKLab | oklab(66.3% -0.1069 -0.0177) |
| OKLCH | oklch(66.3% 0.108 189.4) |
| XYZ | xyz(21.0598, 30.8992, 38.5655) |
| Luminance | 0.3090 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Lightseagreen
#20B2AA
ΔE00 2.91
Sea
#3C9992
ΔE00 4.89
Blue Green
#0F9B8E
ΔE00 4.90
Topaz
#13BBAF
ΔE00 5.56
Tealish
#24BCA8
ΔE00 6.97
Dull Teal
#5F9E8F
ΔE00 7.25
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#21A8A1 #A82128
analogous
#21A85E #21A8A1 #216CA8
triadic
#21A8A1 #A121A8 #A8A121
tetradic
#21A8A1 #5E21A8 #A82128 #6CA821
square
#21A8A1 #5E21A8 #A82128 #6CA821
split-complementary
#21A8A1 #A8216C #A85E21
monochromatic
#0D423F #177570 #21A8A1 #30D6CE #63E0DA
Accessibility & contrast
On white
2.92
#21A8A1 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.18
#21A8A1 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #21A8A1
7.18:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##21A8A1 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##21A8A1 | 1.00 | 2.92 | 7.18 | 7.18 |
| #FFFFFF | 2.92 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.18 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.18 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#9E9FA1
Deuteranopia (green-blind)
#8C91A2
Tritanopia (blue-blind)
#00ADA6
Achromatopsia (no color)
#979797
Design tokens & code
CSS
--color: #21a8a1; /* rgb */ color: rgb(33, 168, 161); /* oklch */ color: oklch(66.3% 0.108 189.4);
Tailwind
colors: {
custom: {
50: '#77c2bc',
500: '#21a8a1',
950: '#000000',
},
}SCSS
$custom: #21a8a1; $custom-light: #77c2bc; $custom-dark: #000000;
JSON
{
"hex": "#21a8a1",
"rgb": {
"r": 33,
"g": 168,
"b": 161
},
"hsl": {
"h": 176.889,
"s": 67.164,
"l": 39.412
},
"oklch": {
"l": 0.66295,
"c": 0.10836,
"h": 189.4
},
"luminance": 0.30902
}Semantic roles & 50–950 ramp
primary
#21A8A1
secondary
#C55F65
accent
#3E47EA
background
#F7FCFB
surface
#EEF8F6
border
#C9D1D0
text
#0A1212
muted
#7C8181