#289C51#289C51

#289C51 is a mid, vivid green. Relative luminance 0.248; OKLCH L 61.2% C 0.150 H 150.5°. Best body text is #000000 at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#289C51
RGB	rgb(40, 156, 81)
HSL	hsl(141, 59%, 38%)
HSV	hsv(141, 74%, 61%)
CMYK	cmyk(74.4%, 0%, 48.1%, 38.8%)
CIE-LAB	lab(56.90, -48.62, 30.27)
CIE-LCH	lch(56.90, 57.27, 148.09°)
OKLab	oklab(61.21% -0.1308 0.074)
OKLCH	oklch(61.21% 0.15 150.5)
XYZ	xyz(14.2476, 24.8205, 11.8229)
Luminance	0.2482 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289C51 #9C2873

analogous

#399C28 #289C51 #289C8B

triadic

#289C51 #51289C #9C5128

tetradic

#289C51 #28399C #9C2873 #9C8B28

square

#289C51 #28399C #9C2873 #9C8B28

split-complementary

#289C51 #8B289C #9C2839

monochromatic

#0F3B1E #1C6B38 #289C51 #36CB6B #67D88F

Accessibility & contrast

On white

3.52

#289C51 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.96

#289C51 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289C51

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289C51	#FFFFFF	#000000	##000000
##289C51	1.00	3.52	5.96	5.96
#FFFFFF	3.52	1.00	21.00	21.00
#000000	5.96	21.00	1.00	1.00
##000000	5.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9D8E4B

Deuteranopia (green-blind)

#8F8556

Tritanopia (blue-blind)

#00998A

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #289c51;
/* rgb */ color: rgb(40, 156, 81);
/* oklch */ color: oklch(61.2% 0.150 150.5);

Tailwind

colors: {
  custom: {
    50: '#74ba83',
    500: '#289c51',
    950: '#000000',
  },
}

SCSS

$custom: #289c51;
$custom-light: #74ba83;
$custom-dark: #000000;

JSON

{
  "hex": "#289c51",
  "rgb": {
    "r": 40,
    "g": 156,
    "b": 81
  },
  "hsl": {
    "h": 141.207,
    "s": 59.184,
    "l": 38.431
  },
  "oklch": {
    "l": 0.61205,
    "c": 0.15025,
    "h": 150.5
  },
  "luminance": 0.24822
}

Semantic roles & 50–950 ramp

primary

#289C51

secondary

#BE629D

accent

#45ABE2

background

#F7FBF8

surface

#EEF6EF

border

#C9D0CA

text

#09120B

muted

#7B817C

Preview Lab

Preview with #289C51

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

Preview Lab → · Contrast checker → · Palette generator →