#63AF71
Closest named color: Algae (#54AC68). oklch(68.8% 0.118 148.6), rgb(99, 175, 113).
Aa
Black text reads best on this color (7.90:1).
About this color
#63AF71 is a medium-light, moderately saturated green. In OKLCH its lightness is 69%, its chroma 0.118 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Algae (#54AC68), ΔE 0.021 away. Black text reads best on it, at 7.90:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Algae (#54AC68) |
| Black text | 7.90:1 |
| White text | 2.65:1 |
Values
| HEX | #63AF71 |
| RGB | rgb(99, 175, 113) |
| HSL | hsl(131, 32%, 54%) |
| OKLCH | oklch(68.8% 0.118 148.6) |
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 #63AF71 | 2.65:1 | Fails | Lc -56.7 | Large or bold text, headings |
| Black text on #63AF71 | 7.90:1 | AAA | Lc 52.5 | Large or bold text, headings |
| #63AF71 text on white | 2.65:1 | Fails | Lc 51.6 | Large or bold text, headings |
| #63AF71 text on black | 7.90:1 | AAA | Lc -50.3 | 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.
-
Step 50
50
#F1F7F2
oklch(97% 0.009 150.7)
-
Step 100
100
#E1EEE2
oklch(93.6% 0.021 147.6)
-
Step 200
200
#C7E1CA
oklch(88.4% 0.042 148.5)
-
Step 300
300
#A0CEA6
oklch(80.8% 0.074 148.4)
-
Step 400
400 (this color)
#63AF71
oklch(68.8% 0.118 148.6)
-
Step 500
500
#37A252
oklch(63.2% 0.152 148.4)
-
Step 600
600
#008B38
oklch(55.6% 0.159 148.5)
-
Step 700
700
#00752E
oklch(49.1% 0.14 148.5)
-
Step 800
800
#006025
oklch(42.7% 0.121 148.7)
-
Step 900
900
#0E4F21
oklch(37.7% 0.098 148.4)
-
Step 950
950
#0C2E14
oklch(26.9% 0.062 148.4)
#63AF71 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) | #B0A36D | 0.097 |
| Deuteranopia (no green cones) | #A59C75 | 0.095 |
| Tritanopia (no blue cones) | #57AC9F | 0.067 |
| Achromatopsia (no color) | #9F9F9F | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63AF71
#63AF71
oklch(68.8% 0.118 148.6)
- #C37FBF
#C37FBF
oklch(68.8% 0.119 328.8)
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 #63AF71, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Algae #54AC68 ΔE 0.021
- Boring Green #63B365 ΔE 0.022
- Tea #65AB7C ΔE 0.022
- Dusty Green #76A973 ΔE 0.026
- Dull Green #74A662 ΔE 0.028
- Dark Seafoam Green #3EAF76 ΔE 0.028
- Faded Green #7BB274 ΔE 0.028
- Medium Sea Green #3CB371 ΔE 0.030
Use #63AF71 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.