#90AA21#90AA21

#90AA21 is a light, vivid yellow-green. Relative luminance 0.348; OKLCH L 69.4% C 0.155 H 120.5°. Best body text is #000000 at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#90AA21
RGB	rgb(144, 170, 33)
HSL	hsl(71, 67%, 40%)
HSV	hsv(71, 81%, 67%)
CMYK	cmyk(15.3%, 0%, 80.6%, 33.3%)
CIE-LAB	lab(65.58, -26.45, 61.41)
CIE-LCH	lch(65.58, 66.86, 113.30°)
OKLab	oklab(69.43% -0.0788 0.134)
OKLCH	oklch(69.43% 0.155 120.5)
XYZ	xyz(26.1514, 34.7886, 6.7757)
Luminance	0.3479 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90AA21 #3B21AA

analogous

#AA8021 #90AA21 #4BAA21

triadic

#90AA21 #2190AA #AA2190

tetradic

#90AA21 #21AA80 #3B21AA #AA214B

square

#90AA21 #21AA80 #3B21AA #AA214B

split-complementary

#90AA21 #214BAA #8021AA

monochromatic

#39430D #657717 #90AA21 #B8D731 #C9E164

Accessibility & contrast

On white

2.64

#90AA21 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.96

#90AA21 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #90AA21

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90AA21	#FFFFFF	#000000	##000000
##90AA21	1.00	2.64	7.96	7.96
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.96	21.00	1.00	1.00
##000000	7.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A000

Deuteranopia (green-blind)

#B2A02F

Tritanopia (blue-blind)

#99A191

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #90aa21;
/* rgb */ color: rgb(144, 170, 33);
/* oklch */ color: oklch(69.4% 0.155 120.5);

Tailwind

colors: {
  custom: {
    50: '#b4c36a',
    500: '#90aa21',
    950: '#000000',
  },
}

SCSS

$custom: #90aa21;
$custom-light: #b4c36a;
$custom-dark: #000000;

JSON

{
  "hex": "#90aa21",
  "rgb": {
    "r": 144,
    "g": 170,
    "b": 33
  },
  "hsl": {
    "h": 71.387,
    "s": 67.488,
    "l": 39.804
  },
  "oklch": {
    "l": 0.69431,
    "c": 0.15547,
    "h": 120.5
  },
  "luminance": 0.34789
}

Semantic roles & 50–950 ramp

primary

#90AA21

secondary

#7461C6

accent

#3DEA5E

background

#FBFBF6

surface

#F6F7EC

border

#D0D0C7

text

#121207

muted

#81817A

Preview Lab

Preview with #90AA21

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

Preview Lab → · Contrast checker → · Palette generator →