#51E07B#51E07B

#51E07B is a light, vivid green. Relative luminance 0.565; OKLCH L 80.6% C 0.187 H 149.7°. Best body text is #000000 at 12.30:1 contrast (WCAG AA passes).

Color values

HEX	#51E07B
RGB	rgb(81, 224, 123)
HSL	hsl(138, 70%, 60%)
HSV	hsv(138, 64%, 88%)
CMYK	cmyk(63.8%, 0%, 45.1%, 12.2%)
CIE-LAB	lab(79.89, -59.71, 38.35)
CIE-LCH	lch(79.89, 70.96, 147.29°)
OKLab	oklab(80.64% -0.1611 0.094)
OKLCH	oklch(80.64% 0.187 149.7)
XYZ	xyz(33.6216, 56.4872, 27.8663)
Luminance	0.5649 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E07B #E051B6

analogous

#6FE051 #51E07B #51E0C2

triadic

#51E07B #7B51E0 #E07B51

tetradic

#51E07B #516FE0 #E051B6 #E0C251

square

#51E07B #516FE0 #E051B6 #E0C251

split-complementary

#51E07B #C251E0 #E0516F

monochromatic

#1C9B41 #25CF57 #51E07B #85E9A2 #B9F3CA

Accessibility & contrast

On white

1.71

#51E07B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.30

#51E07B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E07B

12.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E07B	#FFFFFF	#000000	##000000
##51E07B	1.00	1.71	12.30	12.30
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.30	21.00	1.00	1.00
##000000	12.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1CE73

Deuteranopia (green-blind)

#CFC182

Tritanopia (blue-blind)

#1BDCC8

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #51e07b;
/* rgb */ color: rgb(81, 224, 123);
/* oklch */ color: oklch(80.6% 0.187 149.7);

Tailwind

colors: {
  custom: {
    50: '#91eba2',
    500: '#51e07b',
    950: '#000000',
  },
}

SCSS

$custom: #51e07b;
$custom-light: #91eba2;
$custom-dark: #000000;

JSON

{
  "hex": "#51e07b",
  "rgb": {
    "r": 81,
    "g": 224,
    "b": 123
  },
  "hsl": {
    "h": 137.622,
    "s": 69.756,
    "l": 59.804
  },
  "oklch": {
    "l": 0.80638,
    "c": 0.18654,
    "h": 149.7
  },
  "luminance": 0.56491
}

Semantic roles & 50–950 ramp

primary

#51E07B

secondary

#9F3780

accent

#3BB8ED

background

#FCFFFC

surface

#F5FEF5

border

#CFD6CF

text

#0E160F

muted

#7F8580

Preview Lab

Preview with #51E07B

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

Preview Lab → · Contrast checker → · Palette generator →