#51CA25#51CA25

#51CA25 is a light, highly saturated green. Relative luminance 0.441; OKLCH L 74.1% C 0.221 H 139.3°. Best body text is #000000 at 9.82:1 contrast (WCAG AA passes).

Color values

HEX	#51CA25
RGB	rgb(81, 202, 37)
HSL	hsl(104, 69%, 47%)
HSV	hsv(104, 82%, 79%)
CMYK	cmyk(59.9%, 0%, 81.7%, 20.8%)
CIE-LAB	lab(72.31, -60.94, 65.28)
CIE-LCH	lch(72.31, 89.30, 133.03°)
OKLab	oklab(74.12% -0.1678 0.1441)
OKLCH	oklch(74.12% 0.221 139.3)
XYZ	xyz(24.8467, 44.1217, 8.9569)
Luminance	0.4412 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CA25 #9E25CA

analogous

#A4CA25 #51CA25 #25CA4C

triadic

#51CA25 #2551CA #CA2551

tetradic

#51CA25 #25A4CA #9E25CA #CA4C25

square

#51CA25 #25A4CA #9E25CA #CA4C25

split-complementary

#51CA25 #4C25CA #CA25A4

monochromatic

#286312 #3C961C #51CA25 #74DF4E #9DE881

Accessibility & contrast

On white

2.14

#51CA25 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.82

#51CA25 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CA25

9.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CA25	#FFFFFF	#000000	##000000
##51CA25	1.00	2.14	9.82	9.82
#FFFFFF	2.14	1.00	21.00	21.00
#000000	9.82	21.00	1.00	1.00
##000000	9.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0B700

Deuteranopia (green-blind)

#C1AE3A

Tritanopia (blue-blind)

#42C3AC

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #51ca25;
/* rgb */ color: rgb(81, 202, 37);
/* oklch */ color: oklch(74.1% 0.221 139.3);

Tailwind

colors: {
  custom: {
    50: '#90db6f',
    500: '#51ca25',
    950: '#000000',
  },
}

SCSS

$custom: #51ca25;
$custom-light: #90db6f;
$custom-dark: #000000;

JSON

{
  "hex": "#51ca25",
  "rgb": {
    "r": 81,
    "g": 202,
    "b": 37
  },
  "hsl": {
    "h": 104,
    "s": 69.038,
    "l": 46.863
  },
  "oklch": {
    "l": 0.74124,
    "c": 0.22122,
    "h": 139.3
  },
  "luminance": 0.44124
}

Semantic roles & 50–950 ramp

primary

#51CA25

secondary

#BA7AD1

accent

#3CECBD

background

#F9FDF7

surface

#F2FBED

border

#CCD4C8

text

#0E1508

muted

#7E837B

Preview Lab

Preview with #51CA25

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

Preview Lab → · Contrast checker → · Palette generator →