#B1F978#B1F978
#B1F978 is a very light, vivid yellow-green. Relative luminance 0.785; OKLCH L 90.7% C 0.177 H 133.0°. Best body text is #000000 at 16.69:1 contrast (WCAG AA passes).
Color values
| HEX | #B1F978 |
|---|---|
| RGB | rgb(177, 249, 120) |
| HSL | hsl(93, 91%, 72%) |
| HSV | hsv(93, 52%, 98%) |
| CMYK | cmyk(28.9%, 0%, 51.8%, 2.4%) |
| CIE-LAB | lab(90.99, -43.49, 54.33) |
| CIE-LCH | lch(90.99, 69.59, 128.68°) |
| OKLab | oklab(90.74% -0.1206 0.1292) |
| OKLCH | oklch(90.74% 0.177 133) |
| XYZ | xyz(55.3964, 78.4527, 29.9898) |
| Luminance | 0.7845 (WCAG relative) |
| Temperature | warm |
| Family | yellow-green |
Closest named colors
Spring Green (survey)
#A9F971
ΔE00 1.12
Light Lime
#AEFD6C
ΔE00 1.82
Key Lime
#AEFF6E
ΔE00 1.98
Pale Lime
#BEFD73
ΔE00 2.33
Light Yellowish Green
#C2FF89
ΔE00 2.45
Light Pea Green
#C4FE82
ΔE00 2.49
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B1F978 #C078F9
analogous
#F2F978 #B1F978 #78F97F
triadic
#B1F978 #78B1F9 #F978B1
tetradic
#B1F978 #78F2F9 #C078F9 #F97F78
square
#B1F978 #78F2F9 #C078F9 #F97F78
split-complementary
#B1F978 #7F78F9 #F978F2
monochromatic
#6EEC0A #8FF63D #B1F978 #D3FCB3 #EEFEE2
Accessibility & contrast
On white
1.26
#B1F978 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
16.69
#B1F978 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #B1F978
16.69:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B1F978 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##B1F978 | 1.00 | 1.26 | 16.69 | 16.69 |
| #FFFFFF | 1.26 | 1.00 | 21.00 | 21.00 |
| #000000 | 16.69 | 21.00 | 1.00 | 1.00 |
| ##000000 | 16.69 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#FFE96C
Deuteranopia (green-blind)
#F7E380
Tritanopia (blue-blind)
#B2F0DC
Achromatopsia (no color)
#E5E5E5
Design tokens & code
CSS
--color: #b1f978; /* rgb */ color: rgb(177, 249, 120); /* oklch */ color: oklch(90.7% 0.177 133.0);
Tailwind
colors: {
custom: {
50: '#cbfba2',
500: '#b1f978',
950: '#000000',
},
}SCSS
$custom: #b1f978; $custom-light: #cbfba2; $custom-dark: #000000;
JSON
{
"hex": "#b1f978",
"rgb": {
"r": 177,
"g": 249,
"b": 120
},
"hsl": {
"h": 93.488,
"s": 91.489,
"l": 72.353
},
"oklch": {
"l": 0.90737,
"c": 0.17674,
"h": 133
},
"luminance": 0.78455
}Semantic roles & 50–950 ramp
primary
#B1F978
secondary
#9340D5
accent
#00E680
background
#FEFFFC
surface
#FBFFF6
border
#D4D7D0
text
#14170F
muted
#838580