#90AD1B#90AD1B

#90AD1B is a light, vivid yellow-green. Relative luminance 0.359; OKLCH L 70.1% C 0.161 H 121.3°. Best body text is #000000 at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#90AD1B
RGB	rgb(144, 173, 27)
HSL	hsl(72, 73%, 39%)
HSV	hsv(72, 84%, 68%)
CMYK	cmyk(16.8%, 0%, 84.4%, 32.2%)
CIE-LAB	lab(66.44, -28.11, 63.73)
CIE-LCH	lch(66.44, 69.65, 113.81°)
OKLab	oklab(70.11% -0.0838 0.138)
OKLCH	oklch(70.11% 0.161 121.3)
XYZ	xyz(26.6435, 35.8956, 6.5616)
Luminance	0.3590 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90AD1B #381BAD

analogous

#AD811B #90AD1B #47AD1B

triadic

#90AD1B #1B90AD #AD1B90

tetradic

#90AD1B #1BAD81 #381BAD #AD1B47

square

#90AD1B #1BAD81 #381BAD #AD1B47

split-complementary

#90AD1B #1B47AD #811BAD

monochromatic

#38430A #647813 #90AD1B #B9DD28 #CAE65D

Accessibility & contrast

On white

2.57

#90AD1B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.18

#90AD1B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #90AD1B

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90AD1B	#FFFFFF	#000000	##000000
##90AD1B	1.00	2.57	8.18	8.18
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.18	21.00	1.00	1.00
##000000	8.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A200

Deuteranopia (green-blind)

#B5A22C

Tritanopia (blue-blind)

#98A393

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #90ad1b;
/* rgb */ color: rgb(144, 173, 27);
/* oklch */ color: oklch(70.1% 0.161 121.3);

Tailwind

colors: {
  custom: {
    50: '#b5c568',
    500: '#90ad1b',
    950: '#000000',
  },
}

SCSS

$custom: #90ad1b;
$custom-light: #b5c568;
$custom-dark: #000000;

JSON

{
  "hex": "#90ad1b",
  "rgb": {
    "r": 144,
    "g": 173,
    "b": 27
  },
  "hsl": {
    "h": 71.918,
    "s": 73,
    "l": 39.216
  },
  "oklch": {
    "l": 0.70114,
    "c": 0.16141,
    "h": 121.3
  },
  "luminance": 0.35896
}

Semantic roles & 50–950 ramp

primary

#90AD1B

secondary

#705ACA

accent

#38F05D

background

#FBFCF6

surface

#F6F8EB

border

#D0D1C6

text

#121207

muted

#81817A

Preview Lab

Preview with #90AD1B

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

Preview Lab → · Contrast checker → · Palette generator →