#99BB1D#99BB1D

#99BB1D is a light, vivid yellow-green. Relative luminance 0.424; OKLCH L 74.1% C 0.173 H 122.2°. Best body text is #000000 at 9.48:1 contrast (WCAG AA passes).

Color values

HEX	#99BB1D
RGB	rgb(153, 187, 29)
HSL	hsl(73, 73%, 42%)
HSV	hsv(73, 84%, 73%)
CMYK	cmyk(18.2%, 0%, 84.5%, 26.7%)
CIE-LAB	lab(71.15, -30.98, 67.52)
CIE-LCH	lch(71.15, 74.29, 114.65°)
OKLab	oklab(74.08% -0.0919 0.1461)
OKLCH	oklch(74.08% 0.173 122.2)
XYZ	xyz(31.1295, 42.4016, 7.7065)
Luminance	0.4240 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99BB1D #3F1DBB

analogous

#BB8E1D #99BB1D #4ABB1D

triadic

#99BB1D #1D99BB #BB1D99

tetradic

#99BB1D #1DBB8E #3F1DBB #BB1D4A

square

#99BB1D #1DBB8E #3F1DBB #BB1D4A

split-complementary

#99BB1D #1D4ABB #8E1DBB

monochromatic

#42510D #6E8615 #99BB1D #BBE035 #CDE86A

Accessibility & contrast

On white

2.22

#99BB1D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.48

#99BB1D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99BB1D

9.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99BB1D	#FFFFFF	#000000	##000000
##99BB1D	1.00	2.22	9.48	9.48
#FFFFFF	2.22	1.00	21.00	21.00
#000000	9.48	21.00	1.00	1.00
##000000	9.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7AF00

Deuteranopia (green-blind)

#C2AE30

Tritanopia (blue-blind)

#A2B19F

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #99bb1d;
/* rgb */ color: rgb(153, 187, 29);
/* oklch */ color: oklch(74.1% 0.173 122.2);

Tailwind

colors: {
  custom: {
    50: '#bbcf6b',
    500: '#99bb1d',
    950: '#000000',
  },
}

SCSS

$custom: #99bb1d;
$custom-light: #bbcf6b;
$custom-dark: #000000;

JSON

{
  "hex": "#99bb1d",
  "rgb": {
    "r": 153,
    "g": 187,
    "b": 29
  },
  "hsl": {
    "h": 72.911,
    "s": 73.148,
    "l": 42.353
  },
  "oklch": {
    "l": 0.74076,
    "c": 0.17264,
    "h": 122.2
  },
  "luminance": 0.42402
}

Semantic roles & 50–950 ramp

primary

#99BB1D

secondary

#7C66CE

accent

#38F060

background

#FCFCF6

surface

#F8F9EC

border

#D1D2C7

text

#121307

muted

#81827A

Preview Lab

Preview with #99BB1D

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

Preview Lab → · Contrast checker → · Palette generator →