#63A856
Closest named color: Fern (#63A950). oklch(66.6% 0.135 140.5), rgb(99, 168, 86).
Aa
Black text reads best on this color (7.26:1).
About this color
#63A856 is a medium-light, moderately saturated green. In OKLCH its lightness is 67%, its chroma 0.135 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern (#63A950), ΔE 0.008 away. Black text reads best on it, at 7.26:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Fern (#63A950) |
| Black text | 7.26:1 |
| White text | 2.89:1 |
Values
| HEX | #63A856 |
| RGB | rgb(99, 168, 86) |
| HSL | hsl(110, 32%, 50%) |
| OKLCH | oklch(66.6% 0.135 140.5) |
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 #63A856 | 2.89:1 | Fails | Lc -60.3 | Content text, not long reading |
| Black text on #63A856 | 7.26:1 | AAA | Lc 49.0 | Large or bold text, headings |
| #63A856 text on white | 2.89:1 | Fails | Lc 55.0 | Large or bold text, headings |
| #63A856 text on black | 7.26:1 | AAA | Lc -46.8 | 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
#CDE0C9
oklch(88.6% 0.037 140.2)
-
Step 300
300
#AACCA4
oklch(81% 0.066 140.9)
-
Step 400
400
#7CB172
oklch(70.7% 0.105 140.5)
-
Step 500
500 (this color)
#63A856
oklch(66.6% 0.135 140.5)
-
Step 600
600
#3B872C
oklch(55.5% 0.147 140.6)
-
Step 700
700
#2D721F
oklch(49% 0.136 140.6)
-
Step 800
800
#275D1C
oklch(42.6% 0.112 140.5)
-
Step 900
900
#254D1D
oklch(37.8% 0.088 140.4)
-
Step 950
950
#162D12
oklch(27% 0.056 140.8)
#63A856 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) | #AC9C4F | 0.095 |
| Deuteranopia (no green cones) | #A2955B | 0.095 |
| Tritanopia (no blue cones) | #5DA395 | 0.090 |
| Achromatopsia (no color) | #989898 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63A856
#63A856
oklch(66.6% 0.135 140.5)
- #B977C7
#B977C7
oklch(66.7% 0.135 320.4)
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 #63A856, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern #63A950 ΔE 0.008
- Off Green #6BA353 ΔE 0.015
- Dark Pastel Green #56AE57 ΔE 0.019
- Algae #54AC68 ΔE 0.021
- Muted Green #5FA052 ΔE 0.024
- Asparagus #77AB56 ΔE 0.024
- Mid Green #50A747 ΔE 0.027
- Dull Green #74A662 ΔE 0.027
Use #63A856 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.