#63A37B
Closest named color: Tea (#65AB7C). oklch(66.1% 0.089 155.6), rgb(99, 163, 123).
Aa
Black text reads best on this color (7.05:1).
About this color
#63A37B is a medium-light, moderately saturated green. In OKLCH its lightness is 66%, its chroma 0.089 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tea (#65AB7C), ΔE 0.024 away. Black text reads best on it, at 7.05:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.089) |
| Temperature | in between |
| Nearest name | Tea (#65AB7C) |
| Black text | 7.05:1 |
| White text | 2.97:1 |
Values
| HEX | #63A37B |
| RGB | rgb(99, 163, 123) |
| HSL | hsl(143, 26%, 51%) |
| OKLCH | oklch(66.1% 0.089 155.6) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #63A37B | 2.97:1 | Fails | Lc -61.6 | Content text, not long reading |
| Black text on #63A37B | 7.05:1 | AAA | Lc 47.8 | Large or bold text, headings |
| #63A37B text on white | 2.97:1 | Fails | Lc 56.3 | Large or bold text, headings |
| #63A37B text on black | 7.05:1 | AAA | Lc -45.5 | 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 500.
-
Step 50
50
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E4ECE6
oklch(93.5% 0.012 153.7)
-
Step 200
200
#CDDED2
oklch(88.4% 0.024 155.1)
-
Step 300
300
#ABC9B5
oklch(80.8% 0.043 156.1)
-
Step 400
400
#7DAE8E
oklch(70.7% 0.07 155.6)
-
Step 500
500 (this color)
#63A37B
oklch(66.1% 0.089 155.6)
-
Step 600
600
#3D845A
oklch(55.6% 0.098 155.4)
-
Step 700
700
#2F704A
oklch(49.2% 0.091 155.3)
-
Step 800
800
#285B3D
oklch(42.7% 0.075 155.6)
-
Step 900
900
#264B34
oklch(37.8% 0.058 155.1)
-
Step 950
950
#172C1F
oklch(27.1% 0.037 155.9)
#63A37B 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.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #A39A79 | 0.082 |
| Deuteranopia (no green cones) | #98937D | 0.078 |
| Tritanopia (no blue cones) | #56A298 | 0.043 |
| Achromatopsia (no color) | #969696 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63A37B
#63A37B
oklch(66.1% 0.089 155.6)
- #B57DA8
#B57DA8
oklch(66% 0.09 335.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #63A37B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tea #65AB7C ΔE 0.024
- Greeny Grey #7EA07A ΔE 0.030
- Dusty Green #76A973 ΔE 0.031
- Dull Teal #5F9E8F ΔE 0.037
- Grey Teal #5E9B8A ΔE 0.037
- Dull Green #74A662 ΔE 0.039
- Grey Green #86A17D ΔE 0.041
- Moss #769958 ΔE 0.045
Use #63A37B 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.