#63B17C
Closest named color: Tea (#65AB7C). oklch(69.6% 0.11 153), rgb(99, 177, 124).
Aa
Black text reads best on this color (8.11:1).
About this color
#63B17C is a medium-light, moderately saturated green. In OKLCH its lightness is 70%, its chroma 0.110 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tea (#65AB7C), ΔE 0.017 away. Black text reads best on it, at 8.11:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Tea (#65AB7C) |
| Black text | 8.11:1 |
| White text | 2.58:1 |
Values
| HEX | #63B17C |
| RGB | rgb(99, 177, 124) |
| HSL | hsl(139, 33%, 54%) |
| OKLCH | oklch(69.6% 0.11 153) |
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 #63B17C | 2.58:1 | Fails | Lc -55.6 | Large or bold text, headings |
| Black text on #63B17C | 8.11:1 | AAA | Lc 53.6 | Large or bold text, headings |
| #63B17C text on white | 2.58:1 | Fails | Lc 50.4 | Large or bold text, headings |
| #63B17C text on black | 8.11:1 | AAA | Lc -51.5 | 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.
-
Step 50
50
#F1F7F2
oklch(97% 0.009 150.7)
-
Step 100
100
#E0EEE4
oklch(93.6% 0.02 154.9)
-
Step 200
200
#C7E1CD
oklch(88.5% 0.039 152.4)
-
Step 300
300
#9FCEAC
oklch(80.9% 0.069 153.3)
-
Step 400
400 (this color)
#63B17C
oklch(69.6% 0.11 153)
-
Step 500
500
#32A15F
oklch(63% 0.14 153.1)
-
Step 600
600
#008A48
oklch(55.5% 0.143 153)
-
Step 700
700
#00743C
oklch(49% 0.126 153.1)
-
Step 800
800
#005F30
oklch(42.6% 0.109 153.1)
-
Step 900
900
#094F29
oklch(37.7% 0.092 153.1)
-
Step 950
950
#0A2E18
oklch(26.9% 0.058 153)
#63B17C 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) | #B1A679 | 0.097 |
| Deuteranopia (no green cones) | #A59E7F | 0.093 |
| Tritanopia (no blue cones) | #53AFA3 | 0.057 |
| Achromatopsia (no color) | #A1A1A1 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63B17C
#63B17C
oklch(69.6% 0.11 153)
- #C683BB
#C683BB
oklch(69.6% 0.11 332.7)
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 #63B17C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tea #65AB7C ΔE 0.017
- Faded Green #7BB274 ΔE 0.026
- Dusty Green #76A973 ΔE 0.026
- Boring Green #63B365 ΔE 0.032
- Dark Seafoam Green #3EAF76 ΔE 0.032
- Algae #54AC68 ΔE 0.032
- Medium Sea Green #3CB371 ΔE 0.036
- Greeny Blue #42B395 ΔE 0.037
Use #63B17C 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.