#1B9E33#1B9E33
#1B9E33 is a mid, vivid green. Relative luminance 0.249; OKLCH L 61.1% C 0.181 H 145.2°. Best body text is #000000 at 5.99:1 contrast (WCAG AA passes).
Color values
| HEX | #1B9E33 |
|---|---|
| RGB | rgb(27, 158, 51) |
| HSL | hsl(131, 71%, 36%) |
| HSV | hsv(131, 83%, 62%) |
| CMYK | cmyk(82.9%, 0%, 67.7%, 38%) |
| CIE-LAB | lab(57.00, -55.24, 44.83) |
| CIE-LCH | lch(57.00, 71.14, 140.94°) |
| OKLab | oklab(61.11% -0.1489 0.1036) |
| OKLCH | oklch(61.11% 0.181 145.2) |
| XYZ | xyz(13.2754, 24.9241, 7.2425) |
| Luminance | 0.2493 (WCAG relative) |
| Temperature | neutral |
| Family | green |
Closest named colors
Irish Green
#019529
ΔE00 3.15
Emerald (survey)
#01A049
ΔE00 3.49
Kelly Green (survey)
#02AB2E
ΔE00 4.16
Kelley Green
#009337
ΔE00 4.21
True Green
#089404
ΔE00 4.74
Mid Green
#50A747
ΔE00 4.93
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B9E33 #9E1B86
analogous
#459E1B #1B9E33 #1B9E75
triadic
#1B9E33 #331B9E #9E331B
tetradic
#1B9E33 #1B459E #9E1B86 #9E751B
square
#1B9E33 #1B459E #9E1B86 #9E751B
split-complementary
#1B9E33 #751B9E #9E1B45
monochromatic
#093511 #126A22 #1B9E33 #24D244 #52E16C
Accessibility & contrast
On white
3.51
#1B9E33 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.99
#1B9E33 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #1B9E33
5.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B9E33 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##1B9E33 | 1.00 | 3.51 | 5.99 | 5.99 |
| #FFFFFF | 3.51 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#A18F25
Deuteranopia (green-blind)
#93853D
Tritanopia (blue-blind)
#009A88
Achromatopsia (no color)
#898989
Design tokens & code
CSS
--color: #1b9e33; /* rgb */ color: rgb(27, 158, 51); /* oklch */ color: oklch(61.1% 0.181 145.2);
Tailwind
colors: {
custom: {
50: '#71bc70',
500: '#1b9e33',
950: '#000000',
},
}SCSS
$custom: #1b9e33; $custom-light: #71bc70; $custom-dark: #000000;
JSON
{
"hex": "#1b9e33",
"rgb": {
"r": 27,
"g": 158,
"b": 51
},
"hsl": {
"h": 130.992,
"s": 70.811,
"l": 36.275
},
"oklch": {
"l": 0.61115,
"c": 0.18139,
"h": 145.2
},
"luminance": 0.24926
}Semantic roles & 50–950 ramp
primary
#1B9E33
secondary
#C451AF
accent
#3ACDEE
background
#F7FBF6
surface
#EEF6EC
border
#C9D0C7
text
#091208
muted
#7B817B