#90B421#90B421

#90B421 is a light, vivid yellow-green. Relative luminance 0.387; OKLCH L 71.8% C 0.167 H 123.4°. Best body text is #000000 at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#90B421
RGB	rgb(144, 180, 33)
HSL	hsl(75, 69%, 42%)
HSV	hsv(75, 82%, 71%)
CMYK	cmyk(20%, 0%, 81.7%, 29.4%)
CIE-LAB	lab(68.52, -31.23, 64.02)
CIE-LCH	lch(68.52, 71.23, 116.01°)
OKLab	oklab(71.8% -0.0919 0.1396)
OKLCH	oklch(71.8% 0.167 123.4)
XYZ	xyz(28.0978, 38.6814, 7.4245)
Luminance	0.3868 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90B421 #4521B4

analogous

#B48F21 #90B421 #47B421

triadic

#90B421 #2190B4 #B42190

tetradic

#90B421 #21B48F #4521B4 #B42147

square

#90B421 #21B48F #4521B4 #B42147

split-complementary

#90B421 #2147B4 #8F21B4

monochromatic

#3D4D0E #678018 #90B421 #B3DA38 #C6E46B

Accessibility & contrast

On white

2.40

#90B421 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.74

#90B421 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #90B421

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90B421	#FFFFFF	#000000	##000000
##90B421	1.00	2.40	8.74	8.74
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.74	21.00	1.00	1.00
##000000	8.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFA800

Deuteranopia (green-blind)

#BAA731

Tritanopia (blue-blind)

#98AB9A

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #90b421;
/* rgb */ color: rgb(144, 180, 33);
/* oklch */ color: oklch(71.8% 0.167 123.4);

Tailwind

colors: {
  custom: {
    50: '#b5ca6b',
    500: '#90b421',
    950: '#000000',
  },
}

SCSS

$custom: #90b421;
$custom-light: #b5ca6b;
$custom-dark: #000000;

JSON

{
  "hex": "#90b421",
  "rgb": {
    "r": 144,
    "g": 180,
    "b": 33
  },
  "hsl": {
    "h": 74.694,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.71803,
    "c": 0.16708,
    "h": 123.4
  },
  "luminance": 0.38682
}

Semantic roles & 50–950 ramp

primary

#90B421

secondary

#7F67CA

accent

#3CEC67

background

#FBFCF6

surface

#F6F8EC

border

#D0D1C7

text

#121307

muted

#81827A

Preview Lab

Preview with #90B421

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

Preview Lab → · Contrast checker → · Palette generator →