#99CF3F#99CF3F

#99CF3F is a light, vivid yellow-green. Relative luminance 0.518; OKLCH L 79.0% C 0.179 H 127.9°. Best body text is #000000 at 11.35:1 contrast (WCAG AA passes).

Color values

HEX	#99CF3F
RGB	rgb(153, 207, 63)
HSL	hsl(83, 60%, 53%)
HSV	hsv(83, 70%, 81%)
CMYK	cmyk(26.1%, 0%, 69.6%, 18.8%)
CIE-LAB	lab(77.13, -38.52, 62.66)
CIE-LCH	lch(77.13, 73.56, 121.58°)
OKLab	oklab(78.98% -0.11 0.1412)
OKLCH	oklch(78.98% 0.179 127.9)
XYZ	xyz(36.3469, 51.7560, 12.7766)
Luminance	0.5176 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99CF3F #753FCF

analogous

#CFBD3F #99CF3F #51CF3F

triadic

#99CF3F #3F99CF #CF3F99

tetradic

#99CF3F #3FCFBD #753FCF #CF3F51

square

#99CF3F #3FCFBD #753FCF #CF3F51

split-complementary

#99CF3F #3F51CF #BD3FCF

monochromatic

#55761E #78A72A #99CF3F #B3DB70 #CDE7A1

Accessibility & contrast

On white

1.85

#99CF3F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.35

#99CF3F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99CF3F

11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99CF3F	#FFFFFF	#000000	##000000
##99CF3F	1.00	1.85	11.35	11.35
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.35	21.00	1.00	1.00
##000000	11.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C128

Deuteranopia (green-blind)

#D2BD4B

Tritanopia (blue-blind)

#9EC6B3

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #99cf3f;
/* rgb */ color: rgb(153, 207, 63);
/* oklch */ color: oklch(79.0% 0.179 127.9);

Tailwind

colors: {
  custom: {
    50: '#bbde7c',
    500: '#99cf3f',
    950: '#000000',
  },
}

SCSS

$custom: #99cf3f;
$custom-light: #bbde7c;
$custom-dark: #000000;

JSON

{
  "hex": "#99cf3f",
  "rgb": {
    "r": 153,
    "g": 207,
    "b": 63
  },
  "hsl": {
    "h": 82.5,
    "s": 60,
    "l": 52.941
  },
  "oklch": {
    "l": 0.78981,
    "c": 0.179,
    "h": 127.9
  },
  "luminance": 0.51757
}

Semantic roles & 50–950 ramp

primary

#99CF3F

secondary

#50347F

accent

#45E380

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#12150A

muted

#82847D

Preview Lab

Preview with #99CF3F

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

Preview Lab → · Contrast checker → · Palette generator →