#99C337#99C337

#99C337 is a light, vivid yellow-green. Relative luminance 0.461; OKLCH L 76.1% C 0.169 H 125.0°. Best body text is #000000 at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#99C337
RGB	rgb(153, 195, 55)
HSL	hsl(78, 56%, 49%)
HSV	hsv(78, 72%, 76%)
CMYK	cmyk(21.5%, 0%, 71.8%, 23.5%)
CIE-LAB	lab(73.60, -33.56, 62.04)
CIE-LCH	lch(73.60, 70.53, 118.41°)
OKLab	oklab(76.1% -0.0971 0.1387)
OKLCH	oklch(76.1% 0.169 125)
XYZ	xyz(33.3418, 46.0780, 10.7511)
Luminance	0.4608 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99C337 #6137C3

analogous

#C3A737 #99C337 #53C337

triadic

#99C337 #3799C3 #C33799

tetradic

#99C337 #37C3A7 #6137C3 #C33753

square

#99C337 #37C3A7 #6137C3 #C33753

split-complementary

#99C337 #3753C3 #A737C3

monochromatic

#4E641C #74932A #99C337 #B2D364 #CAE194

Accessibility & contrast

On white

2.06

#99C337 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.22

#99C337 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99C337

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99C337	#FFFFFF	#000000	##000000
##99C337	1.00	2.06	10.22	10.22
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.22	21.00	1.00	1.00
##000000	10.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEB61E

Deuteranopia (green-blind)

#C8B443

Tritanopia (blue-blind)

#A0BAA8

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #99c337;
/* rgb */ color: rgb(153, 195, 55);
/* oklch */ color: oklch(76.1% 0.169 125.0);

Tailwind

colors: {
  custom: {
    50: '#bbd577',
    500: '#99c337',
    950: '#000000',
  },
}

SCSS

$custom: #99c337;
$custom-light: #bbd577;
$custom-dark: #000000;

JSON

{
  "hex": "#99c337",
  "rgb": {
    "r": 153,
    "g": 195,
    "b": 55
  },
  "hsl": {
    "h": 78,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.76097,
    "c": 0.1693,
    "h": 125
  },
  "luminance": 0.46078
}

Semantic roles & 50–950 ramp

primary

#99C337

secondary

#9E8ACC

accent

#49DF76

background

#FBFDF7

surface

#F7FAEE

border

#D0D3C9

text

#121409

muted

#81837B

Preview Lab

Preview with #99C337

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

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