#51E454#51E454

#51E454 is a light, highly saturated green. Relative luminance 0.579; OKLCH L 81.1% C 0.224 H 143.5°. Best body text is #000000 at 12.58:1 contrast (WCAG AA passes).

Color values

HEX	#51E454
RGB	rgb(81, 228, 84)
HSL	hsl(121, 73%, 61%)
HSV	hsv(121, 64%, 89%)
CMYK	cmyk(64.5%, 0%, 63.2%, 10.6%)
CIE-LAB	lab(80.67, -66.19, 57.25)
CIE-LCH	lch(80.67, 87.52, 139.15°)
OKLab	oklab(81.14% -0.1796 0.1331)
OKLCH	oklch(81.14% 0.224 143.5)
XYZ	xyz(32.7350, 57.8729, 17.8312)
Luminance	0.5788 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E454 #E451E1

analogous

#98E451 #51E454 #51E49D

triadic

#51E454 #5451E4 #E45451

tetradic

#51E454 #5198E4 #E451E1 #E49D51

square

#51E454 #5198E4 #E451E1 #E49D51

split-complementary

#51E454 #9D51E4 #E45198

monochromatic

#19A21C #21D725 #51E454 #86EC88 #BBF4BC

Accessibility & contrast

On white

1.67

#51E454 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.58

#51E454 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E454

12.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E454	#FFFFFF	#000000	##000000
##51E454	1.00	1.67	12.58	12.58
#FFFFFF	1.67	1.00	21.00	21.00
#000000	12.58	21.00	1.00	1.00
##000000	12.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9D043

Deuteranopia (green-blind)

#D7C460

Tritanopia (blue-blind)

#2FDEC6

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #51e454;
/* rgb */ color: rgb(81, 228, 84);
/* oklch */ color: oklch(81.1% 0.224 143.5);

Tailwind

colors: {
  custom: {
    50: '#93ee8a',
    500: '#51e454',
    950: '#000000',
  },
}

SCSS

$custom: #51e454;
$custom-light: #93ee8a;
$custom-dark: #000000;

JSON

{
  "hex": "#51e454",
  "rgb": {
    "r": 81,
    "g": 228,
    "b": 84
  },
  "hsl": {
    "h": 121.224,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.81136,
    "c": 0.22357,
    "h": 143.5
  },
  "luminance": 0.57876
}

Semantic roles & 50–950 ramp

primary

#51E454

secondary

#A435A2

accent

#10D1D5

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0E160C

muted

#7F857F

Preview Lab

Preview with #51E454

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

Preview Lab → · Contrast checker → · Palette generator →