#90FC51#90FC51

#90FC51 is a very light, highly saturated yellow-green. Relative luminance 0.761; OKLCH L 89.3% C 0.227 H 136.2°. Best body text is #000000 at 16.23:1 contrast (WCAG AA passes).

Color values

HEX	#90FC51
RGB	rgb(144, 252, 81)
HSL	hsl(98, 97%, 65%)
HSV	hsv(98, 68%, 99%)
CMYK	cmyk(42.9%, 0%, 67.9%, 1.2%)
CIE-LAB	lab(89.92, -58.97, 69.01)
CIE-LCH	lch(89.92, 90.77, 130.51°)
OKLab	oklab(89.34% -0.1638 0.1571)
OKLCH	oklch(89.34% 0.227 136.2)
XYZ	xyz(47.7959, 76.1414, 19.9613)
Luminance	0.7614 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90FC51 #BD51FC

analogous

#E5FC51 #90FC51 #51FC68

triadic

#90FC51 #5190FC #FC5190

tetradic

#90FC51 #51E5FC #BD51FC #FC6851

square

#90FC51 #51E5FC #BD51FC #FC6851

split-complementary

#90FC51 #6851FC #FC51E5

monochromatic

#4FCF04 #6AFB15 #90FC51 #B6FD8D #DDFEC9

Accessibility & contrast

On white

1.29

#90FC51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.23

#90FC51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #90FC51

16.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90FC51	#FFFFFF	#000000	##000000
##90FC51	1.00	1.29	16.23	16.23
#FFFFFF	1.29	1.00	21.00	21.00
#000000	16.23	21.00	1.00	1.00
##000000	16.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE837

Deuteranopia (green-blind)

#F6DF60

Tritanopia (blue-blind)

#8CF3DA

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #90fc51;
/* rgb */ color: rgb(144, 252, 81);
/* oklch */ color: oklch(89.3% 0.227 136.2);

Tailwind

colors: {
  custom: {
    50: '#b8fe8a',
    500: '#90fc51',
    950: '#000000',
  },
}

SCSS

$custom: #90fc51;
$custom-light: #b8fe8a;
$custom-dark: #000000;

JSON

{
  "hex": "#90fc51",
  "rgb": {
    "r": 144,
    "g": 252,
    "b": 81
  },
  "hsl": {
    "h": 97.895,
    "s": 96.61,
    "l": 65.294
  },
  "oklch": {
    "l": 0.89338,
    "c": 0.22693,
    "h": 136.2
  },
  "luminance": 0.76144
}

Semantic roles & 50–950 ramp

primary

#90FC51

secondary

#8E27CA

accent

#00E691

background

#FDFFFC

surface

#F9FFF4

border

#D2D7CE

text

#12180C

muted

#82867F

Preview Lab

Preview with #90FC51

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

Preview Lab → · Contrast checker → · Palette generator →