#289C4B#289C4B

#289C4B is a mid, vivid green. Relative luminance 0.247; OKLCH L 61.1% C 0.156 H 148.9°. Best body text is #000000 at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#289C4B
RGB	rgb(40, 156, 75)
HSL	hsl(138, 59%, 38%)
HSV	hsv(138, 74%, 61%)
CMYK	cmyk(74.4%, 0%, 51.9%, 38.8%)
CIE-LAB	lab(56.82, -49.60, 33.28)
CIE-LCH	lch(56.82, 59.73, 146.14°)
OKLab	oklab(61.11% -0.1334 0.0805)
OKLCH	oklch(61.11% 0.156 148.9)
XYZ	xyz(14.0324, 24.7344, 10.6899)
Luminance	0.2474 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289C4B #9C2879

analogous

#3F9C28 #289C4B #289C85

triadic

#289C4B #4B289C #9C4B28

tetradic

#289C4B #283F9C #9C2879 #9C8528

square

#289C4B #283F9C #9C2879 #9C8528

split-complementary

#289C4B #85289C #9C283F

monochromatic

#0F3B1C #1C6B34 #289C4B #36CB63 #67D889

Accessibility & contrast

On white

3.53

#289C4B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.95

#289C4B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289C4B

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289C4B	#FFFFFF	#000000	##000000
##289C4B	1.00	3.53	5.95	5.95
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.95	21.00	1.00	1.00
##000000	5.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9D8E44

Deuteranopia (green-blind)

#908551

Tritanopia (blue-blind)

#009989

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #289c4b;
/* rgb */ color: rgb(40, 156, 75);
/* oklch */ color: oklch(61.1% 0.156 148.9);

Tailwind

colors: {
  custom: {
    50: '#74ba7f',
    500: '#289c4b',
    950: '#000000',
  },
}

SCSS

$custom: #289c4b;
$custom-light: #74ba7f;
$custom-dark: #000000;

JSON

{
  "hex": "#289c4b",
  "rgb": {
    "r": 40,
    "g": 156,
    "b": 75
  },
  "hsl": {
    "h": 138.103,
    "s": 59.184,
    "l": 38.431
  },
  "oklch": {
    "l": 0.61108,
    "c": 0.15581,
    "h": 148.9
  },
  "luminance": 0.24736
}

Semantic roles & 50–950 ramp

primary

#289C4B

secondary

#BE62A2

accent

#45B3E2

background

#F7FBF7

surface

#EEF6EE

border

#C9D0C9

text

#09120A

muted

#7B817C

Preview Lab

Preview with #289C4B

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

Preview Lab → · Contrast checker → · Palette generator →