#289B4B#289B4B

#289B4B is a mid, vivid green. Relative luminance 0.244; OKLCH L 60.8% C 0.154 H 149.0°. Best body text is #000000 at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#289B4B
RGB	rgb(40, 155, 75)
HSL	hsl(138, 59%, 38%)
HSV	hsv(138, 74%, 61%)
CMYK	cmyk(74.2%, 0%, 51.6%, 39.2%)
CIE-LAB	lab(56.49, -49.23, 32.87)
CIE-LCH	lch(56.49, 59.20, 146.27°)
OKLab	oklab(60.83% -0.1324 0.0796)
OKLCH	oklch(60.83% 0.155 149)
XYZ	xyz(13.8653, 24.4002, 10.6342)
Luminance	0.2440 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289B4B #9B2878

analogous

#3E9B28 #289B4B #289B84

triadic

#289B4B #4B289B #9B4B28

tetradic

#289B4B #283E9B #9B2878 #9B8428

square

#289B4B #283E9B #9B2878 #9B8428

split-complementary

#289B4B #84289B #9B283E

monochromatic

#0F3A1C #1B6A33 #289B4B #35CB63 #66D788

Accessibility & contrast

On white

3.57

#289B4B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.88

#289B4B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289B4B

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289B4B	#FFFFFF	#000000	##000000
##289B4B	1.00	3.57	5.88	5.88
#FFFFFF	3.57	1.00	21.00	21.00
#000000	5.88	21.00	1.00	1.00
##000000	5.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9C8D44

Deuteranopia (green-blind)

#8F8451

Tritanopia (blue-blind)

#009888

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #289b4b;
/* rgb */ color: rgb(40, 155, 75);
/* oklch */ color: oklch(60.8% 0.154 149.0);

Tailwind

colors: {
  custom: {
    50: '#73b97f',
    500: '#289b4b',
    950: '#000000',
  },
}

SCSS

$custom: #289b4b;
$custom-light: #73b97f;
$custom-dark: #000000;

JSON

{
  "hex": "#289b4b",
  "rgb": {
    "r": 40,
    "g": 155,
    "b": 75
  },
  "hsl": {
    "h": 138.261,
    "s": 58.974,
    "l": 38.235
  },
  "oklch": {
    "l": 0.60835,
    "c": 0.1545,
    "h": 149
  },
  "luminance": 0.24402
}

Semantic roles & 50–950 ramp

primary

#289B4B

secondary

#BD61A1

accent

#46B3E2

background

#F7FBF7

surface

#EEF6EE

border

#C9D0C9

text

#09120A

muted

#7B817C

Preview Lab

Preview with #289B4B

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

Preview Lab → · Contrast checker → · Palette generator →