#63A850
Closest named color: Fern (#63A950). oklch(66.5% 0.141 139.2), rgb(99, 168, 80).
Aa
Black text reads best on this color (7.24:1).
About this color
#63A850 is a medium-light, vivid green. In OKLCH its lightness is 67%, its chroma 0.141 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern (#63A950), ΔE 0.003 away. Black text reads best on it, at 7.24:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.141) |
| Temperature | in between |
| Nearest name | Fern (#63A950) |
| Black text | 7.24:1 |
| White text | 2.89:1 |
Values
| HEX | #63A850 |
| RGB | rgb(99, 168, 80) |
| HSL | hsl(107, 35%, 49%) |
| OKLCH | oklch(66.5% 0.141 139.2) |
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 #63A850 | 2.89:1 | Fails | Lc -60.4 | Content text, not long reading |
| Black text on #63A850 | 7.24:1 | AAA | Lc 48.9 | Large or bold text, headings |
| #63A850 text on white | 2.89:1 | Fails | Lc 55.1 | Large or bold text, headings |
| #63A850 text on black | 7.24:1 | AAA | Lc -46.7 | 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
#CDE0C8
oklch(88.6% 0.038 139.2)
-
Step 300
300
#AACCA1
oklch(80.9% 0.07 139.2)
-
Step 400
400
#7CB16E
oklch(70.6% 0.11 139.2)
-
Step 500
500 (this color)
#63A850
oklch(66.5% 0.141 139.2)
-
Step 600
600
#3C8724
oklch(55.5% 0.152 139.2)
-
Step 700
700
#2D7315
oklch(49.2% 0.143 139.3)
-
Step 800
800
#275D15
oklch(42.6% 0.118 139.1)
-
Step 900
900
#254D19
oklch(37.8% 0.092 139.1)
-
Step 950
950
#162D10
oklch(27% 0.058 139.5)
#63A850 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) | #AC9C48 | 0.095 |
| Deuteranopia (no green cones) | #A39556 | 0.097 |
| Tritanopia (no blue cones) | #5EA394 | 0.096 |
| Achromatopsia (no color) | #989898 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63A850
#63A850
oklch(66.5% 0.141 139.2)
- #B975CA
#B975CA
oklch(66.5% 0.142 319.4)
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 #63A850, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern #63A950 ΔE 0.003
- Off Green #6BA353 ΔE 0.017
- Dark Pastel Green #56AE57 ΔE 0.018
- Mid Green #50A747 ΔE 0.022
- Muted Green #5FA052 ΔE 0.025
- Asparagus #77AB56 ΔE 0.026
- Algae #54AC68 ΔE 0.026
- Leaf #71AA34 ΔE 0.029
Use #63A850 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.