#B9E451#B9E451

#B9E451 is a very light, vivid yellow-green. Relative luminance 0.664; OKLCH L 86.1% C 0.178 H 124.1°. Best body text is #000000 at 14.28:1 contrast (WCAG AA passes).

Color values

HEX	#B9E451
RGB	rgb(185, 228, 81)
HSL	hsl(78, 73%, 61%)
HSV	hsv(78, 64%, 89%)
CMYK	cmyk(18.9%, 0%, 64.5%, 10.6%)
CIE-LAB	lab(85.20, -34.63, 64.70)
CIE-LCH	lch(85.20, 73.39, 118.16°)
OKLab	oklab(86.06% -0.0997 0.1474)
OKLCH	oklch(86.06% 0.178 124.1)
XYZ	xyz(49.2366, 66.3948, 18.0045)
Luminance	0.6640 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9E451 #7C51E4

analogous

#E4C551 #B9E451 #6FE451

triadic

#B9E451 #51B9E4 #E451B9

tetradic

#B9E451 #51E4C5 #7C51E4 #E4516F

square

#B9E451 #51E4C5 #7C51E4 #E4516F

split-complementary

#B9E451 #516FE4 #C551E4

monochromatic

#7AA219 #A2D721 #B9E451 #CEEC86 #E4F4BB

Accessibility & contrast

On white

1.47

#B9E451 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.28

#B9E451 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9E451

14.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9E451	#FFFFFF	#000000	##000000
##B9E451	1.00	1.47	14.28	14.28
#FFFFFF	1.47	1.00	21.00	21.00
#000000	14.28	21.00	1.00	1.00
##000000	14.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0D63D

Deuteranopia (green-blind)

#EBD45C

Tritanopia (blue-blind)

#C1D9C6

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #b9e451;
/* rgb */ color: rgb(185, 228, 81);
/* oklch */ color: oklch(86.1% 0.178 124.1);

Tailwind

colors: {
  custom: {
    50: '#d1ec89',
    500: '#b9e451',
    950: '#000000',
  },
}

SCSS

$custom: #b9e451;
$custom-light: #d1ec89;
$custom-dark: #000000;

JSON

{
  "hex": "#b9e451",
  "rgb": {
    "r": 185,
    "g": 228,
    "b": 81
  },
  "hsl": {
    "h": 77.551,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.86055,
    "c": 0.17791,
    "h": 124.1
  },
  "luminance": 0.66395
}

Semantic roles & 50–950 ramp

primary

#B9E451

secondary

#5635A4

accent

#10D54A

background

#FEFEFC

surface

#FBFDF4

border

#D4D5CE

text

#14160C

muted

#83847F

Preview Lab

Preview with #B9E451

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

Preview Lab → · Contrast checker → · Palette generator →