#90CB40#90CB40

#90CB40 is a light, vivid yellow-green. Relative luminance 0.490; OKLCH L 77.5% C 0.178 H 129.7°. Best body text is #000000 at 10.80:1 contrast (WCAG AA passes).

Color values

HEX	#90CB40
RGB	rgb(144, 203, 64)
HSL	hsl(85, 57%, 52%)
HSV	hsv(85, 68%, 80%)
CMYK	cmyk(29.1%, 0%, 68.5%, 20.4%)
CIE-LAB	lab(75.46, -40.04, 60.41)
CIE-LCH	lch(75.46, 72.47, 123.54°)
OKLab	oklab(77.49% -0.1135 0.1368)
OKLCH	oklch(77.49% 0.178 129.7)
XYZ	xyz(33.7828, 49.0104, 12.5295)
Luminance	0.4901 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90CB40 #7B40CB

analogous

#CBC140 #90CB40 #4ACB40

triadic

#90CB40 #4090CB #CB4090

tetradic

#90CB40 #40CBC1 #7B40CB #CB404A

square

#90CB40 #40CBC1 #7B40CB #CB404A

split-complementary

#90CB40 #404ACB #C140CB

monochromatic

#4F721F #70A22C #90CB40 #ACD870 #C8E5A0

Accessibility & contrast

On white

1.94

#90CB40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.80

#90CB40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #90CB40

10.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90CB40	#FFFFFF	#000000	##000000
##90CB40	1.00	1.94	10.80	10.80
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.80	21.00	1.00	1.00
##000000	10.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BD2B

Deuteranopia (green-blind)

#CCB84C

Tritanopia (blue-blind)

#94C2AF

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #90cb40;
/* rgb */ color: rgb(144, 203, 64);
/* oklch */ color: oklch(77.5% 0.178 129.7);

Tailwind

colors: {
  custom: {
    50: '#b5db7c',
    500: '#90cb40',
    950: '#000000',
  },
}

SCSS

$custom: #90cb40;
$custom-light: #b5db7c;
$custom-dark: #000000;

JSON

{
  "hex": "#90cb40",
  "rgb": {
    "r": 144,
    "g": 203,
    "b": 64
  },
  "hsl": {
    "h": 85.468,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.77486,
    "c": 0.17776,
    "h": 129.7
  },
  "luminance": 0.49011
}

Semantic roles & 50–950 ramp

primary

#90CB40

secondary

#AF95D2

accent

#47E088

background

#FBFDF7

surface

#F6FBEE

border

#D0D4C9

text

#12150A

muted

#81837C

Preview Lab

Preview with #90CB40

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

Preview Lab → · Contrast checker → · Palette generator →