#15B41B

Closest named color: Kelly Green (#02AB2E). oklch(66.9% 0.219 142.9), rgb(21, 180, 27).

Aa

Black text reads best on this color (7.57:1).

About this color

#15B41B is a medium-light, vivid green. In OKLCH its lightness is 67%, its chroma 0.219 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Kelly Green (#02AB2E), ΔE 0.031 away. Black text reads best on it, at 7.57:1.

Hue familyGreens
Lightnessmedium-light (67%)
Chromavivid (0.219)
Temperaturein between
Nearest nameKelly Green (#02AB2E)
Black text7.57:1
White text2.77:1

Values

HEX#15B41B
RGBrgb(21, 180, 27)
HSLhsl(122, 79%, 39%)
OKLCHoklch(66.9% 0.219 142.9)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #15B41B 2.77:1 Fails Lc -58.0 Large or bold text, headings
Black text on #15B41B 7.57:1 AAA Lc 51.3 Large or bold text, headings
#15B41B text on white 2.77:1 Fails Lc 52.7 Large or bold text, headings
#15B41B text on black 7.57:1 AAA Lc -49.1 Large or bold text, headings

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 400.

  1. Step 50

    50

    #EFF9EE

    oklch(97.2% 0.018 142.8)

  2. Step 100

    100

    #DBF1D9

    oklch(93.5% 0.04 142.9)

  3. Step 200

    200

    #BCE7B9

    oklch(88.5% 0.077 143.2)

  4. Step 300

    300

    #8AD785

    oklch(80.9% 0.136 142.8)

  5. Step 400

    400 (this color)

    #15B41B

    oklch(66.9% 0.219 142.9)

  6. Step 500

    500

    #00A70D

    oklch(63.1% 0.212 142.9)

  7. Step 600

    600

    #008C09

    oklch(55.5% 0.186 142.9)

  8. Step 700

    700

    #007606

    oklch(49% 0.165 142.9)

  9. Step 800

    800

    #006104

    oklch(42.7% 0.144 142.9)

  10. Step 900

    900

    #005103

    oklch(37.7% 0.127 142.9)

  11. Step 950

    950

    #003101

    oklch(27.1% 0.091 142.9)

Export this scale for Tailwind in the Tailwind colors tool

#15B41B with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#B8A2000.156
Deuteranopia (no green cones)#A897300.155
Tritanopia (no blue cones)#00AE990.142
Achromatopsia (no color)#9B9B9B0.220

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #15B41B

    #15B41B

    oklch(66.9% 0.219 142.9)

  • #D15AE1

    #D15AE1

    oklch(66.8% 0.219 322.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #15B41B

    #15B41B

    oklch(66.9% 0.219 142.9)

  • #979D00

    #979D00

    oklch(66.9% 0.149 112.5)

  • #00AE8D

    #00AE8D

    oklch(66.9% 0.129 172.8)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #15B41B

    #15B41B

    oklch(66.9% 0.219 142.9)

  • #9C77FF

    #9C77FF

    oklch(66.9% 0.194 292.9)

  • #F249A1

    #F249A1

    oklch(66.9% 0.219 352.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #15B41B

    #15B41B

    oklch(66.9% 0.219 142.9)

  • #5990FF

    #5990FF

    oklch(66.9% 0.175 262.8)

  • #FF4851

    #FF4851

    oklch(66.9% 0.219 22.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #15B41B

    #15B41B

    oklch(66.9% 0.219 142.9)

  • #00A2DB

    #00A2DB

    oklch(67% 0.138 232.6)

  • #D15AE1

    #D15AE1

    oklch(66.8% 0.219 322.8)

  • #E37100

    #E37100

    oklch(67% 0.17 52.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #15B41B, closest first.

No curated palette has a color within ΔE 0.04 of #15B41B.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #15B41B in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.