#B1F15F#B1F15F

#B1F15F is a very light, vivid yellow-green. Relative luminance 0.731; OKLCH L 88.6% C 0.187 H 129.6°. Best body text is #000000 at 15.62:1 contrast (WCAG AA passes).

Color values

HEX	#B1F15F
RGB	rgb(177, 241, 95)
HSL	hsl(86, 84%, 66%)
HSV	hsv(86, 61%, 95%)
CMYK	cmyk(26.6%, 0%, 60.6%, 5.5%)
CIE-LAB	lab(88.49, -42.35, 62.42)
CIE-LCH	lch(88.49, 75.43, 124.16°)
OKLab	oklab(88.63% -0.1193 0.1444)
OKLCH	oklch(88.63% 0.187 129.6)
XYZ	xyz(51.6520, 73.0826, 22.2093)
Luminance	0.7308 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 3.25

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1F15F #9F5FF1

analogous

#F1E85F #B1F15F #68F15F

triadic

#B1F15F #5FB1F1 #F15FB1

tetradic

#B1F15F #5FF1E8 #9F5FF1 #F15F68

square

#B1F15F #5FF1E8 #9F5FF1 #F15F68

split-complementary

#B1F15F #5F68F1 #E85FF1

monochromatic

#76C411 #96EC27 #B1F15F #CCF697 #E8FBD0

Accessibility & contrast

On white

1.34

#B1F15F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.62

#B1F15F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1F15F

15.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1F15F	#FFFFFF	#000000	##000000
##B1F15F	1.00	1.34	15.62	15.62
#FFFFFF	1.34	1.00	21.00	21.00
#000000	15.62	21.00	1.00	1.00
##000000	15.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCE14E

Deuteranopia (green-blind)

#F3DD6A

Tritanopia (blue-blind)

#B5E7D2

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #b1f15f;
/* rgb */ color: rgb(177, 241, 95);
/* oklch */ color: oklch(88.6% 0.187 129.6);

Tailwind

colors: {
  custom: {
    50: '#ccf692',
    500: '#b1f15f',
    950: '#000000',
  },
}

SCSS

$custom: #b1f15f;
$custom-light: #ccf692;
$custom-dark: #000000;

JSON

{
  "hex": "#b1f15f",
  "rgb": {
    "r": 177,
    "g": 241,
    "b": 95
  },
  "hsl": {
    "h": 86.301,
    "s": 83.908,
    "l": 65.882
  },
  "oklch": {
    "l": 0.88631,
    "c": 0.18729,
    "h": 129.6
  },
  "luminance": 0.73084
}

Semantic roles & 50–950 ramp

primary

#B1F15F

secondary

#7132C2

accent

#05E065

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B1F15F

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →