#99CF55#99CF55

#99CF55 is a light, vivid yellow-green. Relative luminance 0.521; OKLCH L 79.2% C 0.163 H 129.5°. Best body text is #000000 at 11.41:1 contrast (WCAG AA passes).

Color values

HEX	#99CF55
RGB	rgb(153, 207, 85)
HSL	hsl(87, 56%, 57%)
HSV	hsv(87, 59%, 81%)
CMYK	cmyk(26.1%, 0%, 58.9%, 18.8%)
CIE-LAB	lab(77.31, -36.83, 53.86)
CIE-LCH	lch(77.31, 65.25, 124.37°)
OKLab	oklab(79.18% -0.1035 0.1254)
OKLCH	oklch(79.18% 0.163 129.5)
XYZ	xyz(37.0891, 52.0529, 16.6857)
Luminance	0.5205 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99CF55 #8B55CF

analogous

#CFC855 #99CF55 #5CCF55

triadic

#99CF55 #5599CF #CF5599

tetradic

#99CF55 #55CFC8 #8B55CF #CF555C

square

#99CF55 #55CFC8 #8B55CF #CF555C

split-complementary

#99CF55 #555CCF #C855CF

monochromatic

#5A8425 #7BB433 #99CF55 #B6DC85 #D2EAB4

Accessibility & contrast

On white

1.84

#99CF55 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.41

#99CF55 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99CF55

11.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99CF55	#FFFFFF	#000000	##000000
##99CF55	1.00	1.84	11.41	11.41
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.41	21.00	1.00	1.00
##000000	11.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C148

Deuteranopia (green-blind)

#D0BE5E

Tritanopia (blue-blind)

#9DC7B5

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #99cf55;
/* rgb */ color: rgb(153, 207, 85);
/* oklch */ color: oklch(79.2% 0.163 129.5);

Tailwind

colors: {
  custom: {
    50: '#bade89',
    500: '#99cf55',
    950: '#000000',
  },
}

SCSS

$custom: #99cf55;
$custom-light: #bade89;
$custom-dark: #000000;

JSON

{
  "hex": "#99cf55",
  "rgb": {
    "r": 153,
    "g": 207,
    "b": 85
  },
  "hsl": {
    "h": 86.557,
    "s": 55.963,
    "l": 57.255
  },
  "oklch": {
    "l": 0.79183,
    "c": 0.16259,
    "h": 129.5
  },
  "luminance": 0.52054
}

Semantic roles & 50–950 ramp

primary

#99CF55

secondary

#603D8B

accent

#49DF8B

background

#FDFEFC

surface

#F8FCF4

border

#D1D5CE

text

#12150C

muted

#82847F

Preview Lab

Preview with #99CF55

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

Preview Lab → · Contrast checker → · Palette generator →