#63A955
Closest named color: Fern (#63A950). oklch(66.8% 0.138 140.4), rgb(99, 169, 85).
Aa
Black text reads best on this color (7.33:1).
About this color
#63A955 is a medium-light, moderately saturated green. In OKLCH its lightness is 67%, its chroma 0.138 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern (#63A950), ΔE 0.005 away. Black text reads best on it, at 7.33:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.138) |
| Temperature | in between |
| Nearest name | Fern (#63A950) |
| Black text | 7.33:1 |
| White text | 2.86:1 |
Values
| HEX | #63A955 |
| RGB | rgb(99, 169, 85) |
| HSL | hsl(110, 33%, 50%) |
| OKLCH | oklch(66.8% 0.138 140.4) |
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 #63A955 | 2.86:1 | Fails | Lc -59.9 | Large or bold text, headings |
| Black text on #63A955 | 7.33:1 | AAA | Lc 49.4 | Large or bold text, headings |
| #63A955 text on white | 2.86:1 | Fails | Lc 54.6 | Large or bold text, headings |
| #63A955 text on black | 7.33:1 | AAA | Lc -47.2 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E3EDE1
oklch(93.5% 0.019 140.5)
-
Step 200
200
#CCE0C9
oklch(88.5% 0.038 141.6)
-
Step 300
300
#AACCA3
oklch(80.9% 0.067 140.3)
-
Step 400
400
#7BB171
oklch(70.6% 0.107 140.6)
-
Step 500
500 (this color)
#63A955
oklch(66.8% 0.138 140.4)
-
Step 600
600
#3A872A
oklch(55.5% 0.149 140.5)
-
Step 700
700
#2C731C
oklch(49.2% 0.14 140.4)
-
Step 800
800
#265D1A
oklch(42.6% 0.114 140.3)
-
Step 900
900
#244D1C
oklch(37.8% 0.09 140.5)
-
Step 950
950
#162D11
oklch(27% 0.057 140.1)
#63A955 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) | #AD9D4E | 0.096 |
| Deuteranopia (no green cones) | #A3965B | 0.096 |
| Tritanopia (no blue cones) | #5DA495 | 0.091 |
| Achromatopsia (no color) | #999999 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63A955
#63A955
oklch(66.8% 0.138 140.4)
- #BA77C8
#BA77C8
oklch(66.9% 0.137 320.5)
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 #63A955, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern #63A950 ΔE 0.005
- Dark Pastel Green #56AE57 ΔE 0.017
- Off Green #6BA353 ΔE 0.018
- Algae #54AC68 ΔE 0.022
- Asparagus #77AB56 ΔE 0.023
- Mid Green #50A747 ΔE 0.026
- Muted Green #5FA052 ΔE 0.027
- Dull Green #74A662 ΔE 0.029
Use #63A955 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.