#1B781B#1B781B
#1B781B is a mid, vivid green. Relative luminance 0.137; OKLCH L 50.1% C 0.153 H 142.9°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).
Color values
| HEX | #1B781B |
|---|---|
| RGB | rgb(27, 120, 27) |
| HSL | hsl(120, 63%, 29%) |
| HSV | hsv(120, 78%, 47%) |
| CMYK | cmyk(77.5%, 0%, 77.5%, 52.9%) |
| CIE-LAB | lab(43.86, -44.86, 40.85) |
| CIE-LCH | lch(43.86, 60.67, 137.68°) |
| OKLab | oklab(50.14% -0.1218 0.0922) |
| OKLCH | oklch(50.14% 0.153 142.9) |
| XYZ | xyz(7.3658, 13.7442, 3.3014) |
| Luminance | 0.1374 (WCAG relative) |
| Temperature | neutral |
| Family | green |
Closest named colors
Tree Green
#2A7E19
ΔE00 2.67
Green
#008000
ΔE00 3.68
Darkish Green
#287C37
ΔE00 4.27
Dark Grass Green
#388004
ΔE00 5.25
Forestgreen (CSS)
#228B22
ΔE00 6.78
Darkgreen
#006400
ΔE00 6.79
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B781B #781B78
analogous
#4A781B #1B781B #1B784A
triadic
#1B781B #1B1B78 #781B1B
tetradic
#1B781B #1B4A78 #781B78 #784A1B
square
#1B781B #1B4A78 #781B78 #784A1B
split-complementary
#1B781B #4A1B78 #781B4A
monochromatic
#061906 #104610 #1B781B #26AA26 #3BD33B
Accessibility & contrast
On white
5.60
#1B781B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.75
#1B781B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #1B781B
5.60:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B781B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B781B | 1.00 | 5.60 | 3.75 | 5.60 |
| #FFFFFF | 5.60 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.75 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.60 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7B6C08
Deuteranopia (green-blind)
#706525
Tritanopia (blue-blind)
#007466
Achromatopsia (no color)
#686868
Design tokens & code
CSS
--color: #1b781b; /* rgb */ color: rgb(27, 120, 27); /* oklch */ color: oklch(50.1% 0.153 142.9);
Tailwind
colors: {
custom: {
50: '#69a05e',
500: '#1b781b',
950: '#000000',
},
}SCSS
$custom: #1b781b; $custom-light: #69a05e; $custom-dark: #000000;
JSON
{
"hex": "#1b781b",
"rgb": {
"r": 27,
"g": 120,
"b": 27
},
"hsl": {
"h": 120,
"s": 63.265,
"l": 28.824
},
"oklch": {
"l": 0.50136,
"c": 0.15274,
"h": 142.9
},
"luminance": 0.13745
}Semantic roles & 50–950 ramp
primary
#1B781B
secondary
#AC43AC
accent
#41E6E6
background
#F6F9F5
surface
#ECF2E9
border
#C7CCC5
text
#070F05
muted
#7A7E79