#99BC1B#99BC1B

#99BC1B is a light, vivid yellow-green. Relative luminance 0.428; OKLCH L 74.3% C 0.174 H 122.4°. Best body text is #000000 at 9.56:1 contrast (WCAG AA passes).

Color values

HEX	#99BC1B
RGB	rgb(153, 188, 27)
HSL	hsl(73, 75%, 42%)
HSV	hsv(73, 86%, 74%)
CMYK	cmyk(18.6%, 0%, 85.6%, 26.3%)
CIE-LAB	lab(71.43, -31.51, 68.21)
CIE-LCH	lch(71.43, 75.14, 114.79°)
OKLab	oklab(74.3% -0.0935 0.1473)
OKLCH	oklch(74.3% 0.174 122.4)
XYZ	xyz(31.3184, 42.8178, 7.6514)
Luminance	0.4282 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99BC1B #3E1BBC

analogous

#BC8E1B #99BC1B #49BC1B

triadic

#99BC1B #1B99BC #BC1B99

tetradic

#99BC1B #1BBC8E #3E1BBC #BC1B49

square

#99BC1B #1BBC8E #3E1BBC #BC1B49

split-complementary

#99BC1B #1B49BC #8E1BBC

monochromatic

#42510C #6D8613 #99BC1B #BCE233 #CDE968

Accessibility & contrast

On white

2.20

#99BC1B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.56

#99BC1B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99BC1B

9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99BC1B	#FFFFFF	#000000	##000000
##99BC1B	1.00	2.20	9.56	9.56
#FFFFFF	2.20	1.00	21.00	21.00
#000000	9.56	21.00	1.00	1.00
##000000	9.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8B000

Deuteranopia (green-blind)

#C3AF2F

Tritanopia (blue-blind)

#A2B2A0

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #99bc1b;
/* rgb */ color: rgb(153, 188, 27);
/* oklch */ color: oklch(74.3% 0.174 122.4);

Tailwind

colors: {
  custom: {
    50: '#bbd06a',
    500: '#99bc1b',
    950: '#000000',
  },
}

SCSS

$custom: #99bc1b;
$custom-light: #bbd06a;
$custom-dark: #000000;

JSON

{
  "hex": "#99bc1b",
  "rgb": {
    "r": 153,
    "g": 188,
    "b": 27
  },
  "hsl": {
    "h": 73.043,
    "s": 74.884,
    "l": 42.157
  },
  "oklch": {
    "l": 0.74304,
    "c": 0.17446,
    "h": 122.4
  },
  "luminance": 0.42818
}

Semantic roles & 50–950 ramp

primary

#99BC1B

secondary

#7B64CF

accent

#36F25F

background

#FCFCF6

surface

#F8F9EC

border

#D1D2C7

text

#121407

muted

#81827A

Preview Lab

Preview with #99BC1B

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

Preview Lab → · Contrast checker → · Palette generator →