#B1F979#B1F979
#B1F979 is a very light, vivid yellow-green. Relative luminance 0.785; OKLCH L 90.8% C 0.176 H 133.1°. Best body text is #000000 at 16.70:1 contrast (WCAG AA passes).
Color values
| HEX | #B1F979 |
|---|---|
| RGB | rgb(177, 249, 121) |
| HSL | hsl(94, 91%, 73%) |
| HSV | hsv(94, 51%, 98%) |
| CMYK | cmyk(28.9%, 0%, 51.4%, 2.4%) |
| CIE-LAB | lab(91.00, -43.39, 53.89) |
| CIE-LCH | lch(91.00, 69.18, 128.84°) |
| OKLab | oklab(90.75% -0.1202 0.1283) |
| OKLCH | oklch(90.75% 0.176 133.1) |
| XYZ | xyz(55.4574, 78.4772, 30.3111) |
| Luminance | 0.7848 (WCAG relative) |
| Temperature | warm |
| Family | yellow-green |
Closest named colors
Spring Green (survey)
#A9F971
ΔE00 1.18
Light Lime
#AEFD6C
ΔE00 1.93
Key Lime
#AEFF6E
ΔE00 2.07
Light Yellowish Green
#C2FF89
ΔE00 2.40
Pale Lime
#BEFD73
ΔE00 2.42
Light Pea Green
#C4FE82
ΔE00 2.50
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B1F979 #C179F9
analogous
#F1F979 #B1F979 #79F981
triadic
#B1F979 #79B1F9 #F979B1
tetradic
#B1F979 #79F1F9 #C179F9 #F98179
square
#B1F979 #79F1F9 #C179F9 #F98179
split-complementary
#B1F979 #8179F9 #F979F1
monochromatic
#6EED0B #8FF63E #B1F979 #D3FCB4 #EEFEE2
Accessibility & contrast
On white
1.26
#B1F979 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
16.70
#B1F979 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #B1F979
16.70:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B1F979 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##B1F979 | 1.00 | 1.26 | 16.70 | 16.70 |
| #FFFFFF | 1.26 | 1.00 | 21.00 | 21.00 |
| #000000 | 16.70 | 21.00 | 1.00 | 1.00 |
| ##000000 | 16.70 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#FFE96D
Deuteranopia (green-blind)
#F7E381
Tritanopia (blue-blind)
#B2F1DC
Achromatopsia (no color)
#E5E5E5
Design tokens & code
CSS
--color: #b1f979; /* rgb */ color: rgb(177, 249, 121); /* oklch */ color: oklch(90.8% 0.176 133.1);
Tailwind
colors: {
custom: {
50: '#cbfba2',
500: '#b1f979',
950: '#000000',
},
}SCSS
$custom: #b1f979; $custom-light: #cbfba2; $custom-dark: #000000;
JSON
{
"hex": "#b1f979",
"rgb": {
"r": 177,
"g": 249,
"b": 121
},
"hsl": {
"h": 93.75,
"s": 91.429,
"l": 72.549
},
"oklch": {
"l": 0.9075,
"c": 0.17584,
"h": 133.1
},
"luminance": 0.78479
}Semantic roles & 50–950 ramp
primary
#B1F979
secondary
#9441D5
accent
#00E681
background
#FEFFFC
surface
#FBFFF6
border
#D4D7D0
text
#14170F
muted
#838580