#B1F36B#B1F36B

#B1F36B is a very light, vivid yellow-green. Relative luminance 0.745; OKLCH L 89.2% C 0.180 H 130.9°. Best body text is #000000 at 15.90:1 contrast (WCAG AA passes).

Color values

HEX	#B1F36B
RGB	rgb(177, 243, 107)
HSL	hsl(89, 85%, 69%)
HSV	hsv(89, 56%, 95%)
CMYK	cmyk(27.2%, 0%, 56%, 4.7%)
CIE-LAB	lab(89.16, -42.17, 58.03)
CIE-LCH	lch(89.16, 71.73, 126.01°)
OKLab	oklab(89.21% -0.1179 0.1362)
OKLCH	oklch(89.21% 0.18 130.9)
XYZ	xyz(52.8353, 74.5084, 25.5049)
Luminance	0.7451 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1F36B #AD6BF3

analogous

#F3F16B #B1F36B #6DF36B

triadic

#B1F36B #6BB1F3 #F36BB1

tetradic

#B1F36B #6BF3F1 #AD6BF3 #F36B6D

square

#B1F36B #6BF3F1 #AD6BF3 #F36B6D

split-complementary

#B1F36B #6B6DF3 #F16BF3

monochromatic

#75D311 #93EE32 #B1F36B #CFF8A4 #EDFCDC

Accessibility & contrast

On white

1.32

#B1F36B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.90

#B1F36B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1F36B

15.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1F36B	#FFFFFF	#000000	##000000
##B1F36B	1.00	1.32	15.90	15.90
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.90	21.00	1.00	1.00
##000000	15.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE35D

Deuteranopia (green-blind)

#F3DE74

Tritanopia (blue-blind)

#B4EAD5

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #b1f36b;
/* rgb */ color: rgb(177, 243, 107);
/* oklch */ color: oklch(89.2% 0.180 130.9);

Tailwind

colors: {
  custom: {
    50: '#cbf799',
    500: '#b1f36b',
    950: '#000000',
  },
}

SCSS

$custom: #b1f36b;
$custom-light: #cbf799;
$custom-dark: #000000;

JSON

{
  "hex": "#b1f36b",
  "rgb": {
    "r": 177,
    "g": 243,
    "b": 107
  },
  "hsl": {
    "h": 89.118,
    "s": 85,
    "l": 68.627
  },
  "oklch": {
    "l": 0.89214,
    "c": 0.1801,
    "h": 130.9
  },
  "luminance": 0.7451
}

Semantic roles & 50–950 ramp

primary

#B1F36B

secondary

#7F36CC

accent

#04E16F

background

#FEFFFC

surface

#FBFFF5

border

#D4D7CF

text

#14170E

muted

#83857F

Preview Lab

Preview with #B1F36B

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

Preview Lab → · Contrast checker → · Palette generator →