#63A671
Closest named color: Tea (#65AB7C). oklch(66.6% 0.104 149.6), rgb(99, 166, 113).
Aa
Black text reads best on this color (7.22:1).
About this color
#63A671 is a medium-light, moderately saturated green. In OKLCH its lightness is 67%, its chroma 0.104 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tea (#65AB7C), ΔE 0.018 away. Black text reads best on it, at 7.22:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.104) |
| Temperature | in between |
| Nearest name | Tea (#65AB7C) |
| Black text | 7.22:1 |
| White text | 2.90:1 |
Values
| HEX | #63A671 |
| RGB | rgb(99, 166, 113) |
| HSL | hsl(133, 27%, 52%) |
| OKLCH | oklch(66.6% 0.104 149.6) |
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 #63A671 | 2.90:1 | Fails | Lc -60.6 | Content text, not long reading |
| Black text on #63A671 | 7.22:1 | AAA | Lc 48.8 | Large or bold text, headings |
| #63A671 text on white | 2.90:1 | Fails | Lc 55.3 | Large or bold text, headings |
| #63A671 text on black | 7.22:1 | AAA | Lc -46.5 | 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E3EDE5
oklch(93.6% 0.015 151.8)
-
Step 200
200
#CDDFCF
oklch(88.6% 0.029 148.6)
-
Step 300
300
#AACAAF
oklch(80.8% 0.051 149.6)
-
Step 400
400
#7CAF85
oklch(70.6% 0.082 149.4)
-
Step 500
500 (this color)
#63A671
oklch(66.6% 0.104 149.6)
-
Step 600
600
#3B854E
oklch(55.5% 0.113 149.7)
-
Step 700
700
#2D713F
oklch(49.2% 0.105 149.6)
-
Step 800
800
#265C34
oklch(42.7% 0.087 149.8)
-
Step 900
900
#254C2D
oklch(37.8% 0.069 148.9)
-
Step 950
950
#162C1B
oklch(26.9% 0.042 150.1)
#63A671 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) | #A79C6E | 0.087 |
| Deuteranopia (no green cones) | #9D9574 | 0.085 |
| Tritanopia (no blue cones) | #58A498 | 0.057 |
| Achromatopsia (no color) | #979797 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63A671
#63A671
oklch(66.6% 0.104 149.6)
- #B87CB3
#B87CB3
oklch(66.6% 0.105 329.6)
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 #63A671, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tea #65AB7C ΔE 0.018
- Dusty Green #76A973 ΔE 0.023
- Dull Green #74A662 ΔE 0.024
- Algae #54AC68 ΔE 0.028
- Off Green #6BA353 ΔE 0.034
- Dark Seafoam Green #3EAF76 ΔE 0.034
- Muted Green #5FA052 ΔE 0.039
- Greeny Grey #7EA07A ΔE 0.039
Use #63A671 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.