#63B290

Closest named color: Greeny Blue (#42B395). oklch(70.3% 0.094 164.3), rgb(99, 178, 144).

Aa

Black text reads best on this color (8.30:1).

About this color

#63B290 is a medium-light, moderately saturated green. In OKLCH its lightness is 70%, its chroma 0.094 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.024 away. Black text reads best on it, at 8.30:1.

Hue familyGreens
Lightnessmedium-light (70%)
Chromamoderately saturated (0.094)
Temperaturein between
Nearest nameGreeny Blue (#42B395)
Black text8.30:1
White text2.52:1

Values

HEX#63B290
RGBrgb(99, 178, 144)
HSLhsl(154, 34%, 54%)
OKLCHoklch(70.3% 0.094 164.3)

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 #63B290 2.52:1 Fails Lc -54.5 Large or bold text, headings
Black text on #63B290 8.30:1 AAA Lc 54.6 Large or bold text, headings
#63B290 text on white 2.52:1 Fails Lc 49.4 Large or bold text, headings
#63B290 text on black 8.30:1 AAA Lc -52.5 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

    #F1F7F4

    oklch(97.1% 0.007 164.9)

  2. Step 100

    100

    #E0EEE7

    oklch(93.7% 0.018 164.6)

  3. Step 200

    200

    #C6E0D3

    oklch(88.4% 0.033 164.1)

  4. Step 300

    300

    #9ECDB7

    oklch(80.9% 0.058 164.7)

  5. Step 400

    400 (this color)

    #63B290

    oklch(70.3% 0.094 164.3)

  6. Step 500

    500

    #2CA076

    oklch(63.1% 0.12 164.2)

  7. Step 600

    600

    #008861

    oklch(55.5% 0.117 164.6)

  8. Step 700

    700

    #007351

    oklch(49.2% 0.104 164.3)

  9. Step 800

    800

    #005E42

    oklch(42.7% 0.09 164.7)

  10. Step 900

    900

    #044E36

    oklch(37.6% 0.078 164.1)

  11. Step 950

    950

    #082E20

    oklch(27% 0.05 164.4)

Export this scale for Tailwind in the Tailwind colors tool

#63B290 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)#AFA88E0.092
Deuteranopia (no green cones)#A39F920.090
Tritanopia (no blue cones)#4CB2A80.037
Achromatopsia (no color)#A3A3A30.095

Harmonies

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

Complementary

The opposite hue (180°).

  • #63B290

    #63B290

    oklch(70.3% 0.094 164.3)

  • #C988AD

    #C988AD

    oklch(70.3% 0.093 344.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #63B290

    #63B290

    oklch(70.3% 0.094 164.3)

  • #87AD70

    #87AD70

    oklch(70.4% 0.095 134.2)

  • #4CB2B1

    #4CB2B1

    oklch(70.4% 0.094 194.3)

Open the analogous palette in the generator

Split complementary

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

  • #63B290

    #63B290

    oklch(70.3% 0.094 164.3)

  • #B58EC8

    #B58EC8

    oklch(70.3% 0.093 314.4)

  • #D3878D

    #D3878D

    oklch(70.3% 0.094 14.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #63B290

    #63B290

    oklch(70.3% 0.094 164.3)

  • #9897D8

    #9897D8

    oklch(70.2% 0.094 284.4)

  • #D18C6F

    #D18C6F

    oklch(70.3% 0.094 43.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #63B290

    #63B290

    oklch(70.3% 0.094 164.3)

  • #76A2D9

    #76A2D9

    oklch(70.2% 0.094 254.4)

  • #C988AD

    #C988AD

    oklch(70.3% 0.093 344.6)

  • #C2975A

    #C2975A

    oklch(70.4% 0.094 74.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #63B290, closest first.

Similar named colors

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

Use #63B290 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.