#51E05B#51E05B

#51E05B is a light, highly saturated green. Relative luminance 0.558; OKLCH L 80.2% C 0.214 H 144.3°. Best body text is #000000 at 12.16:1 contrast (WCAG AA passes).

Color values

HEX	#51E05B
RGB	rgb(81, 224, 91)
HSL	hsl(124, 70%, 60%)
HSV	hsv(124, 64%, 88%)
CMYK	cmyk(63.8%, 0%, 59.4%, 12.2%)
CIE-LAB	lab(79.51, -64.07, 52.93)
CIE-LCH	lch(79.51, 83.11, 140.44°)
OKLab	oklab(80.2% -0.1736 0.1245)
OKLCH	oklch(80.2% 0.214 144.3)
XYZ	xyz(31.9353, 55.8127, 18.9855)
Luminance	0.5582 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E05B #E051D6

analogous

#8EE051 #51E05B #51E0A3

triadic

#51E05B #5B51E0 #E05B51

tetradic

#51E05B #518EE0 #E051D6 #E0A351

square

#51E05B #518EE0 #E051D6 #E0A351

split-complementary

#51E05B #A351E0 #E0518E

monochromatic

#1C9B25 #25CF31 #51E05B #85E98C #B9F3BD

Accessibility & contrast

On white

1.73

#51E05B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.16

#51E05B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E05B

12.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E05B	#FFFFFF	#000000	##000000
##51E05B	1.00	1.73	12.16	12.16
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.16	21.00	1.00	1.00
##000000	12.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4CC4D

Deuteranopia (green-blind)

#D2C066

Tritanopia (blue-blind)

#2EDAC3

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #51e05b;
/* rgb */ color: rgb(81, 224, 91);
/* oklch */ color: oklch(80.2% 0.214 144.3);

Tailwind

colors: {
  custom: {
    50: '#92eb8d',
    500: '#51e05b',
    950: '#000000',
  },
}

SCSS

$custom: #51e05b;
$custom-light: #92eb8d;
$custom-dark: #000000;

JSON

{
  "hex": "#51e05b",
  "rgb": {
    "r": 81,
    "g": 224,
    "b": 91
  },
  "hsl": {
    "h": 124.196,
    "s": 69.756,
    "l": 59.804
  },
  "oklch": {
    "l": 0.80198,
    "c": 0.21362,
    "h": 144.3
  },
  "luminance": 0.55816
}

Semantic roles & 50–950 ramp

primary

#51E05B

secondary

#9F3797

accent

#3BE0ED

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0E160C

muted

#7F857F

Preview Lab

Preview with #51E05B

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

Preview Lab → · Contrast checker → · Palette generator →