#63A668
Closest named color: Dull Green (#74A662). oklch(66.4% 0.114 145.8), rgb(99, 166, 104).
Aa
Black text reads best on this color (7.18:1).
About this color
#63A668 is a medium-light, moderately saturated green. In OKLCH its lightness is 66%, its chroma 0.114 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dull Green (#74A662), ΔE 0.018 away. Black text reads best on it, at 7.18:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.114) |
| Temperature | in between |
| Nearest name | Dull Green (#74A662) |
| Black text | 7.18:1 |
| White text | 2.92:1 |
Values
| HEX | #63A668 |
| RGB | rgb(99, 166, 104) |
| HSL | hsl(124, 27%, 52%) |
| OKLCH | oklch(66.4% 0.114 145.8) |
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 #63A668 | 2.92:1 | Fails | Lc -60.8 | Content text, not long reading |
| Black text on #63A668 | 7.18:1 | AAA | Lc 48.5 | Large or bold text, headings |
| #63A668 text on white | 2.92:1 | Fails | Lc 55.5 | Large or bold text, headings |
| #63A668 text on black | 7.18:1 | AAA | Lc -46.3 | 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 500.
-
Step 50
50
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E3EDE4
oklch(93.6% 0.016 148.4)
-
Step 200
200
#CDDFCD
oklch(88.5% 0.031 145.3)
-
Step 300
300
#AACBAB
oklch(80.9% 0.057 145.8)
-
Step 400
400
#7CB07F
oklch(70.7% 0.09 146)
-
Step 500
500 (this color)
#63A668
oklch(66.4% 0.114 145.8)
-
Step 600
600
#3C8644
oklch(55.6% 0.124 145.8)
-
Step 700
700
#2D7136
oklch(49% 0.114 146.1)
-
Step 800
800
#275C2D
oklch(42.6% 0.094 145.9)
-
Step 900
900
#254C28
oklch(37.7% 0.075 145.5)
-
Step 950
950
#162C18
oklch(26.8% 0.046 146.2)
#63A668 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) | #A89B64 | 0.089 |
| Deuteranopia (no green cones) | #9E946C | 0.089 |
| Tritanopia (no blue cones) | #5AA396 | 0.068 |
| Achromatopsia (no color) | #979797 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63A668
#63A668
oklch(66.4% 0.114 145.8)
- #B77AB9
#B77AB9
oklch(66.4% 0.114 325.7)
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 #63A668, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Green #74A662 ΔE 0.018
- Algae #54AC68 ΔE 0.021
- Off Green #6BA353 ΔE 0.023
- Tea #65AB7C ΔE 0.027
- Dusty Green #76A973 ΔE 0.028
- Muted Green #5FA052 ΔE 0.029
- Fern #63A950 ΔE 0.032
- Dark Seafoam Green #3EAF76 ΔE 0.034
Use #63A668 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.