#ADD03B#ADD03B

#ADD03B is a light, vivid yellow-green. Relative luminance 0.543; OKLCH L 80.5% C 0.174 H 122.0°. Best body text is #000000 at 11.86:1 contrast (WCAG AA passes).

Color values

HEX	#ADD03B
RGB	rgb(173, 208, 59)
HSL	hsl(74, 61%, 52%)
HSV	hsv(74, 72%, 82%)
CMYK	cmyk(16.8%, 0%, 71.6%, 18.4%)
CIE-LAB	lab(78.64, -31.45, 66.02)
CIE-LCH	lch(78.64, 73.13, 115.47°)
OKLab	oklab(80.52% -0.0921 0.1472)
OKLCH	oklch(80.52% 0.174 122)
XYZ	xyz(40.5794, 54.3117, 12.4822)
Luminance	0.5431 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ADD03B #5E3BD0

analogous

#D0A93B #ADD03B #63D03B

triadic

#ADD03B #3BADD0 #D03BAD

tetradic

#ADD03B #3BD0A9 #5E3BD0 #D03B63

square

#ADD03B #3BD0A9 #5E3BD0 #D03B63

split-complementary

#ADD03B #3B63D0 #A93BD0

monochromatic

#60751C #88A628 #ADD03B #C2DC6C #D6E89E

Accessibility & contrast

On white

1.77

#ADD03B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.86

#ADD03B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ADD03B

11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ADD03B	#FFFFFF	#000000	##000000
##ADD03B	1.00	1.77	11.86	11.86
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.86	21.00	1.00	1.00
##000000	11.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCC31F

Deuteranopia (green-blind)

#D8C348

Tritanopia (blue-blind)

#B6C5B3

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #add03b;
/* rgb */ color: rgb(173, 208, 59);
/* oklch */ color: oklch(80.5% 0.174 122.0);

Tailwind

colors: {
  custom: {
    50: '#c9de7b',
    500: '#add03b',
    950: '#000000',
  },
}

SCSS

$custom: #add03b;
$custom-light: #c9de7b;
$custom-dark: #000000;

JSON

{
  "hex": "#add03b",
  "rgb": {
    "r": 173,
    "g": 208,
    "b": 59
  },
  "hsl": {
    "h": 74.094,
    "s": 61.317,
    "l": 52.353
  },
  "oklch": {
    "l": 0.80516,
    "c": 0.17364,
    "h": 122
  },
  "luminance": 0.54312
}

Semantic roles & 50–950 ramp

primary

#ADD03B

secondary

#44327D

accent

#43E469

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #ADD03B

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

Preview Lab → · Contrast checker → · Palette generator →