#ADD538#ADD538

#ADD538 is a light, vivid yellow-green. Relative luminance 0.568; OKLCH L 81.6% C 0.181 H 123.2°. Best body text is #000000 at 12.35:1 contrast (WCAG AA passes).

Color values

HEX	#ADD538
RGB	rgb(173, 213, 56)
HSL	hsl(75, 65%, 53%)
HSV	hsv(75, 74%, 84%)
CMYK	cmyk(18.8%, 0%, 73.7%, 16.5%)
CIE-LAB	lab(80.04, -33.92, 68.40)
CIE-LCH	lch(80.04, 76.35, 116.38°)
OKLab	oklab(81.64% -0.0991 0.1517)
OKLCH	oklch(81.64% 0.181 123.2)
XYZ	xyz(41.7422, 56.7580, 12.4969)
Luminance	0.5676 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ADD538 #6038D5

analogous

#D5AF38 #ADD538 #5ED538

triadic

#ADD538 #38ADD5 #D538AD

tetradic

#ADD538 #38D5AF #6038D5 #D5385E

square

#ADD538 #38D5AF #6038D5 #D5385E

split-complementary

#ADD538 #385ED5 #AF38D5

monochromatic

#61791A #89AC24 #ADD538 #C2E06B #D7EA9D

Accessibility & contrast

On white

1.70

#ADD538 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.35

#ADD538 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ADD538

12.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ADD538	#FFFFFF	#000000	##000000
##ADD538	1.00	1.70	12.35	12.35
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.35	21.00	1.00	1.00
##000000	12.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1C816

Deuteranopia (green-blind)

#DCC646

Tritanopia (blue-blind)

#B6CAB7

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #add538;
/* rgb */ color: rgb(173, 213, 56);
/* oklch */ color: oklch(81.6% 0.181 123.2);

Tailwind

colors: {
  custom: {
    50: '#c9e27a',
    500: '#add538',
    950: '#000000',
  },
}

SCSS

$custom: #add538;
$custom-light: #c9e27a;
$custom-dark: #000000;

JSON

{
  "hex": "#add538",
  "rgb": {
    "r": 173,
    "g": 213,
    "b": 56
  },
  "hsl": {
    "h": 75.287,
    "s": 65.145,
    "l": 52.745
  },
  "oklch": {
    "l": 0.81642,
    "c": 0.18124,
    "h": 123.2
  },
  "luminance": 0.56758
}

Semantic roles & 50–950 ramp

primary

#ADD538

secondary

#453081

accent

#40E86B

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #ADD538

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

Preview Lab → · Contrast checker → · Palette generator →