#39CF3B#39CF3B

#39CF3B is a light, highly saturated green. Relative luminance 0.458; OKLCH L 74.9% C 0.224 H 143.1°. Best body text is #000000 at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#39CF3B
RGB	rgb(57, 207, 59)
HSL	hsl(121, 61%, 52%)
HSV	hsv(121, 72%, 81%)
CMYK	cmyk(72.5%, 0%, 71.5%, 18.8%)
CIE-LAB	lab(73.42, -65.98, 59.17)
CIE-LCH	lch(73.42, 88.63, 138.12°)
OKLab	oklab(74.92% -0.179 0.1345)
OKLCH	oklch(74.92% 0.224 143.1)
XYZ	xyz(24.7880, 45.8085, 11.6724)
Luminance	0.4581 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39CF3B #CF39CD

analogous

#82CF39 #39CF3B #39CF86

triadic

#39CF3B #3B39CF #CF3B39

tetradic

#39CF3B #3982CF #CF39CD #CF8639

square

#39CF3B #3982CF #CF39CD #CF8639

split-complementary

#39CF3B #8639CF #CF3982

monochromatic

#1C721D #28A329 #39CF3B #6ADB6C #9CE79D

Accessibility & contrast

On white

2.07

#39CF3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.16

#39CF3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #39CF3B

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39CF3B	#FFFFFF	#000000	##000000
##39CF3B	1.00	2.07	10.16	10.16
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.16	21.00	1.00	1.00
##000000	10.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BB22

Deuteranopia (green-blind)

#C2B04A

Tritanopia (blue-blind)

#00C9B2

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #39cf3b;
/* rgb */ color: rgb(57, 207, 59);
/* oklch */ color: oklch(74.9% 0.224 143.1);

Tailwind

colors: {
  custom: {
    50: '#86df79',
    500: '#39cf3b',
    950: '#000000',
  },
}

SCSS

$custom: #39cf3b;
$custom-light: #86df79;
$custom-dark: #000000;

JSON

{
  "hex": "#39cf3b",
  "rgb": {
    "r": 57,
    "g": 207,
    "b": 59
  },
  "hsl": {
    "h": 120.8,
    "s": 60.976,
    "l": 51.765
  },
  "oklch": {
    "l": 0.74918,
    "c": 0.22392,
    "h": 143.1
  },
  "luminance": 0.45811
}

Semantic roles & 50–950 ramp

primary

#39CF3B

secondary

#D391D2

accent

#44E2E4

background

#F9FDF7

surface

#F1FBEE

border

#CBD4C9

text

#0D150A

muted

#7E837C

Preview Lab

Preview with #39CF3B

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

Preview Lab → · Contrast checker → · Palette generator →