#99CF42#99CF42

#99CF42 is a light, vivid yellow-green. Relative luminance 0.518; OKLCH L 79.0% C 0.177 H 128.1°. Best body text is #000000 at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#99CF42
RGB	rgb(153, 207, 66)
HSL	hsl(83, 59%, 54%)
HSV	hsv(83, 68%, 81%)
CMYK	cmyk(26.1%, 0%, 68.1%, 18.8%)
CIE-LAB	lab(77.16, -38.32, 61.55)
CIE-LCH	lch(77.16, 72.51, 121.91°)
OKLab	oklab(79.01% -0.1092 0.1393)
OKLCH	oklch(79.01% 0.177 128.1)
XYZ	xyz(36.4330, 51.7905, 13.2303)
Luminance	0.5179 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99CF42 #7842CF

analogous

#CFBF42 #99CF42 #52CF42

triadic

#99CF42 #4299CF #CF4299

tetradic

#99CF42 #42CFBF #7842CF #CF4252

square

#99CF42 #42CFBF #7842CF #CF4252

split-complementary

#99CF42 #4252CF #BF42CF

monochromatic

#56781F #79A92B #99CF42 #B3DB73 #CEE8A4

Accessibility & contrast

On white

1.85

#99CF42 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.36

#99CF42 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99CF42

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99CF42	#FFFFFF	#000000	##000000
##99CF42	1.00	1.85	11.36	11.36
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.36	21.00	1.00	1.00
##000000	11.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C12D

Deuteranopia (green-blind)

#D2BD4E

Tritanopia (blue-blind)

#9EC6B3

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #99cf42;
/* rgb */ color: rgb(153, 207, 66);
/* oklch */ color: oklch(79.0% 0.177 128.1);

Tailwind

colors: {
  custom: {
    50: '#bbde7e',
    500: '#99cf42',
    950: '#000000',
  },
}

SCSS

$custom: #99cf42;
$custom-light: #bbde7e;
$custom-dark: #000000;

JSON

{
  "hex": "#99cf42",
  "rgb": {
    "r": 153,
    "g": 207,
    "b": 66
  },
  "hsl": {
    "h": 82.979,
    "s": 59.494,
    "l": 53.529
  },
  "oklch": {
    "l": 0.79005,
    "c": 0.17702,
    "h": 128.1
  },
  "luminance": 0.51791
}

Semantic roles & 50–950 ramp

primary

#99CF42

secondary

#523580

accent

#45E381

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#12150A

muted

#82847D

Preview Lab

Preview with #99CF42

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

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