#63A455
Closest named color: Off Green (#6BA353). oklch(65.6% 0.13 140.1), rgb(99, 164, 85).
Aa
Black text reads best on this color (6.97:1).
About this color
#63A455 is a medium-light, moderately saturated green. In OKLCH its lightness is 66%, its chroma 0.130 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Off Green (#6BA353), ΔE 0.008 away. Black text reads best on it, at 6.97:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.130) |
| Temperature | in between |
| Nearest name | Off Green (#6BA353) |
| Black text | 6.97:1 |
| White text | 3.01:1 |
Values
| HEX | #63A455 |
| RGB | rgb(99, 164, 85) |
| HSL | hsl(109, 32%, 49%) |
| OKLCH | oklch(65.6% 0.13 140.1) |
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 #63A455 | 3.01:1 | AA large text | Lc -62.0 | Content text, not long reading |
| Black text on #63A455 | 6.97:1 | AA | Lc 47.4 | Large or bold text, headings |
| #63A455 text on white | 3.01:1 | AA large text | Lc 56.7 | Large or bold text, headings |
| #63A455 text on black | 6.97:1 | AA | Lc -45.1 | 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
#E4EDE2
oklch(93.6% 0.017 140)
-
Step 200
200
#CDDFC9
oklch(88.4% 0.035 140)
-
Step 300
300
#ABCBA4
oklch(80.8% 0.064 140)
-
Step 400
400
#7EB073
oklch(70.6% 0.101 140)
-
Step 500
500 (this color)
#63A455
oklch(65.6% 0.13 140.1)
-
Step 600
600
#40862F
oklch(55.5% 0.141 139.9)
-
Step 700
700
#317222
oklch(49.2% 0.132 140.2)
-
Step 800
800
#2A5D1E
oklch(42.8% 0.109 140)
-
Step 900
900
#274C1E
oklch(37.7% 0.085 139.8)
-
Step 950
950
#172D13
oklch(27.1% 0.054 140.6)
#63A455 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) | #A8984F | 0.091 |
| Deuteranopia (no green cones) | #9F925A | 0.091 |
| Tritanopia (no blue cones) | #5EA091 | 0.085 |
| Achromatopsia (no color) | #959595 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63A455
#63A455
oklch(65.6% 0.13 140.1)
- #B475C2
#B475C2
oklch(65.6% 0.13 320.2)
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 #63A455, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Off Green #6BA353 ΔE 0.008
- Muted Green #5FA052 ΔE 0.013
- Fern #63A950 ΔE 0.017
- Flat Green #699D4C ΔE 0.019
- Algae #54AC68 ΔE 0.026
- Dull Green #74A662 ΔE 0.027
- Mid Green #50A747 ΔE 0.028
- Dark Pastel Green #56AE57 ΔE 0.029
Use #63A455 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.