#90AD21#90AD21

#90AD21 is a light, vivid yellow-green. Relative luminance 0.359; OKLCH L 70.1% C 0.159 H 121.4°. Best body text is #000000 at 8.19:1 contrast (WCAG AA passes).

Color values

HEX	#90AD21
RGB	rgb(144, 173, 33)
HSL	hsl(72, 68%, 40%)
HSV	hsv(72, 81%, 68%)
CMYK	cmyk(16.8%, 0%, 80.9%, 32.2%)
CIE-LAB	lab(66.46, -27.90, 62.19)
CIE-LCH	lch(66.46, 68.16, 114.16°)
OKLab	oklab(70.14% -0.0828 0.1357)
OKLCH	oklch(70.14% 0.159 121.4)
XYZ	xyz(26.7202, 35.9262, 6.9653)
Luminance	0.3593 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90AD21 #3E21AD

analogous

#AD8421 #90AD21 #4AAD21

triadic

#90AD21 #2190AD #AD2190

tetradic

#90AD21 #21AD84 #3E21AD #AD214A

square

#90AD21 #21AD84 #3E21AD #AD214A

split-complementary

#90AD21 #214AAD #8421AD

monochromatic

#3A460D #657A17 #90AD21 #B6D833 #C8E266

Accessibility & contrast

On white

2.57

#90AD21 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.19

#90AD21 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #90AD21

8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90AD21	#FFFFFF	#000000	##000000
##90AD21	1.00	2.57	8.19	8.19
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.19	21.00	1.00	1.00
##000000	8.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A200

Deuteranopia (green-blind)

#B4A230

Tritanopia (blue-blind)

#98A494

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #90ad21;
/* rgb */ color: rgb(144, 173, 33);
/* oklch */ color: oklch(70.1% 0.159 121.4);

Tailwind

colors: {
  custom: {
    50: '#b4c56a',
    500: '#90ad21',
    950: '#000000',
  },
}

SCSS

$custom: #90ad21;
$custom-light: #b4c56a;
$custom-dark: #000000;

JSON

{
  "hex": "#90ad21",
  "rgb": {
    "r": 144,
    "g": 173,
    "b": 33
  },
  "hsl": {
    "h": 72.429,
    "s": 67.961,
    "l": 40.392
  },
  "oklch": {
    "l": 0.70141,
    "c": 0.15894,
    "h": 121.4
  },
  "luminance": 0.35926
}

Semantic roles & 50–950 ramp

primary

#90AD21

secondary

#7762C7

accent

#3DEB61

background

#FBFCF6

surface

#F6F8EC

border

#D0D1C7

text

#121207

muted

#81817A

Preview Lab

Preview with #90AD21

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

Preview Lab → · Contrast checker → · Palette generator →