#289F51#289F51

#289F51 is a light, vivid green. Relative luminance 0.258; OKLCH L 62.0% C 0.154 H 150.1°. Best body text is #000000 at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#289F51
RGB	rgb(40, 159, 81)
HSL	hsl(141, 60%, 39%)
HSV	hsv(141, 75%, 62%)
CMYK	cmyk(74.8%, 0%, 49.1%, 37.6%)
CIE-LAB	lab(57.88, -49.73, 31.52)
CIE-LCH	lch(57.88, 58.88, 147.64°)
OKLab	oklab(62.02% -0.1337 0.0768)
OKLCH	oklch(62.02% 0.154 150.1)
XYZ	xyz(14.7572, 25.8398, 11.9928)
Luminance	0.2584 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289F51 #9F2876

analogous

#3B9F28 #289F51 #289F8D

triadic

#289F51 #51289F #9F5128

tetradic

#289F51 #283B9F #9F2876 #9F8D28

square

#289F51 #283B9F #9F2876 #9F8D28

split-complementary

#289F51 #8D289F #9F283B

monochromatic

#0F3D1F #1C6E38 #289F51 #37CD6B #68D98F

Accessibility & contrast

On white

3.40

#289F51 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.17

#289F51 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289F51

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289F51	#FFFFFF	#000000	##000000
##289F51	1.00	3.40	6.17	6.17
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.17	21.00	1.00	1.00
##000000	6.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0914B

Deuteranopia (green-blind)

#928757

Tritanopia (blue-blind)

#009C8D

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #289f51;
/* rgb */ color: rgb(40, 159, 81);
/* oklch */ color: oklch(62.0% 0.154 150.1);

Tailwind

colors: {
  custom: {
    50: '#74bc83',
    500: '#289f51',
    950: '#000000',
  },
}

SCSS

$custom: #289f51;
$custom-light: #74bc83;
$custom-dark: #000000;

JSON

{
  "hex": "#289f51",
  "rgb": {
    "r": 40,
    "g": 159,
    "b": 81
  },
  "hsl": {
    "h": 140.672,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.62019,
    "c": 0.15423,
    "h": 150.1
  },
  "luminance": 0.25841
}

Semantic roles & 50–950 ramp

primary

#289F51

secondary

#BF64A0

accent

#45ACE3

background

#F7FBF8

surface

#EEF7EF

border

#C9D0CA

text

#09120B

muted

#7B817C

Preview Lab

Preview with #289F51

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

Preview Lab → · Contrast checker → · Palette generator →