#B1EA5B#B1EA5B

#B1EA5B is a very light, vivid yellow-green. Relative luminance 0.689; OKLCH L 87.0% C 0.181 H 128.1°. Best body text is #000000 at 14.79:1 contrast (WCAG AA passes).

Color values

HEX	#B1EA5B
RGB	rgb(177, 234, 91)
HSL	hsl(84, 77%, 64%)
HSV	hsv(84, 61%, 92%)
CMYK	cmyk(24.4%, 0%, 61.1%, 8.2%)
CIE-LAB	lab(86.48, -39.59, 61.87)
CIE-LCH	lch(86.48, 73.46, 122.62°)
OKLab	oklab(86.99% -0.112 0.1428)
OKLCH	oklch(86.99% 0.181 128.1)
XYZ	xyz(49.4425, 68.9471, 20.5987)
Luminance	0.6895 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 4.60

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1EA5B #945BEA

analogous

#EADB5B #B1EA5B #69EA5B

triadic

#B1EA5B #5BB1EA #EA5BB1

tetradic

#B1EA5B #5BEADB #945BEA #EA5B69

square

#B1EA5B #5BEADB #945BEA #EA5B69

split-complementary

#B1EA5B #5B69EA #DB5BEA

monochromatic

#75B417 #97E325 #B1EA5B #CBF191 #E5F8C8

Accessibility & contrast

On white

1.42

#B1EA5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.79

#B1EA5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1EA5B

14.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1EA5B	#FFFFFF	#000000	##000000
##B1EA5B	1.00	1.42	14.79	14.79
#FFFFFF	1.42	1.00	21.00	21.00
#000000	14.79	21.00	1.00	1.00
##000000	14.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F5DB4A

Deuteranopia (green-blind)

#EDD765

Tritanopia (blue-blind)

#B6E0CC

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #b1ea5b;
/* rgb */ color: rgb(177, 234, 91);
/* oklch */ color: oklch(87.0% 0.181 128.1);

Tailwind

colors: {
  custom: {
    50: '#ccf18f',
    500: '#b1ea5b',
    950: '#000000',
  },
}

SCSS

$custom: #b1ea5b;
$custom-light: #ccf18f;
$custom-dark: #000000;

JSON

{
  "hex": "#b1ea5b",
  "rgb": {
    "r": 177,
    "g": 234,
    "b": 91
  },
  "hsl": {
    "h": 83.916,
    "s": 77.297,
    "l": 63.725
  },
  "oklch": {
    "l": 0.86991,
    "c": 0.18148,
    "h": 128.1
  },
  "luminance": 0.68948
}

Semantic roles & 50–950 ramp

primary

#B1EA5B

secondary

#6836B4

accent

#0CDA5E

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14160D

muted

#83857F

Preview Lab

Preview with #B1EA5B

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

Preview Lab → · Contrast checker → · Palette generator →