#289F5F#289F5F

#289F5F is a light, vivid green. Relative luminance 0.261; OKLCH L 62.3% C 0.141 H 154.5°. Best body text is #000000 at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#289F5F
RGB	rgb(40, 159, 95)
HSL	hsl(148, 60%, 39%)
HSV	hsv(148, 75%, 62%)
CMYK	cmyk(74.8%, 0%, 40.3%, 37.6%)
CIE-LAB	lab(58.11, -47.21, 24.36)
CIE-LCH	lch(58.11, 53.12, 152.70°)
OKLab	oklab(62.27% -0.1273 0.0607)
OKLCH	oklch(62.27% 0.141 154.5)
XYZ	xyz(15.3373, 26.0718, 15.0483)
Luminance	0.2607 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289F5F #9F2868

analogous

#2D9F28 #289F5F #289F9B

triadic

#289F5F #5F289F #9F5F28

tetradic

#289F5F #282D9F #9F2868 #9F9B28

square

#289F5F #282D9F #9F2868 #9F9B28

split-complementary

#289F5F #9B289F #9F282D

monochromatic

#0F3D25 #1C6E42 #289F5F #37CD7C #68D99C

Accessibility & contrast

On white

3.38

#289F5F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.21

#289F5F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289F5F

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289F5F	#FFFFFF	#000000	##000000
##289F5F	1.00	3.38	6.21	6.21
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.21	21.00	1.00	1.00
##000000	6.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9F925B

Deuteranopia (green-blind)

#908863

Tritanopia (blue-blind)

#009D8F

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #289f5f;
/* rgb */ color: rgb(40, 159, 95);
/* oklch */ color: oklch(62.3% 0.141 154.5);

Tailwind

colors: {
  custom: {
    50: '#74bc8d',
    500: '#289f5f',
    950: '#000000',
  },
}

SCSS

$custom: #289f5f;
$custom-light: #74bc8d;
$custom-dark: #000000;

JSON

{
  "hex": "#289f5f",
  "rgb": {
    "r": 40,
    "g": 159,
    "b": 95
  },
  "hsl": {
    "h": 147.731,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.62273,
    "c": 0.14104,
    "h": 154.5
  },
  "luminance": 0.26074
}

Semantic roles & 50–950 ramp

primary

#289F5F

secondary

#BF6495

accent

#459AE3

background

#F7FBF8

surface

#EEF6F0

border

#C9D0CB

text

#09120C

muted

#7B817D

Preview Lab

Preview with #289F5F

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

Preview Lab → · Contrast checker → · Palette generator →