#63AA5D
Closest named color: Fern (#63A950). oklch(67.2% 0.131 142.3), rgb(99, 170, 93).
Aa
Black text reads best on this color (7.43:1).
About this color
#63AA5D is a medium-light, moderately saturated green. In OKLCH its lightness is 67%, its chroma 0.131 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern (#63A950), ΔE 0.014 away. Black text reads best on it, at 7.43:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.131) |
| Temperature | in between |
| Nearest name | Fern (#63A950) |
| Black text | 7.43:1 |
| White text | 2.82:1 |
Values
| HEX | #63AA5D |
| RGB | rgb(99, 170, 93) |
| HSL | hsl(115, 31%, 52%) |
| OKLCH | oklch(67.2% 0.131 142.3) |
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 #63AA5D | 2.82:1 | Fails | Lc -59.3 | Large or bold text, headings |
| Black text on #63AA5D | 7.43:1 | AAA | Lc 50.0 | Large or bold text, headings |
| #63AA5D text on white | 2.82:1 | Fails | Lc 54.1 | Large or bold text, headings |
| #63AA5D text on black | 7.43:1 | AAA | Lc -47.8 | 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 400.
-
Step 50
50
#F1F7F1
oklch(97% 0.01 145.5)
-
Step 100
100
#E1EEE0
oklch(93.6% 0.023 143.4)
-
Step 200
200
#C9E1C6
oklch(88.5% 0.045 142.1)
-
Step 300
300
#A3CF9E
oklch(81% 0.082 142.2)
-
Step 400
400 (this color)
#63AA5D
oklch(67.2% 0.131 142.3)
-
Step 500
500
#41A23B
oklch(63.2% 0.168 142.4)
-
Step 600
600
#148C0E
oklch(55.7% 0.182 142.3)
-
Step 700
700
#037600
oklch(49.1% 0.166 142.3)
-
Step 800
800
#0A6106
oklch(42.9% 0.141 142.3)
-
Step 900
900
#154F12
oklch(37.6% 0.109 142.4)
-
Step 950
950
#0F2E0D
oklch(26.9% 0.068 142.4)
#63AA5D 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) | #AD9E57 | 0.095 |
| Deuteranopia (no green cones) | #A39762 | 0.095 |
| Tritanopia (no blue cones) | #5CA698 | 0.085 |
| Achromatopsia (no color) | #9A9A9A | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63AA5D
#63AA5D
oklch(67.2% 0.131 142.3)
- #BC79C5
#BC79C5
oklch(67.3% 0.131 322.6)
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 #63AA5D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern #63A950 ΔE 0.014
- Algae #54AC68 ΔE 0.016
- Dark Pastel Green #56AE57 ΔE 0.019
- Off Green #6BA353 ΔE 0.020
- Asparagus #77AB56 ΔE 0.022
- Dull Green #74A662 ΔE 0.023
- Boring Green #63B365 ΔE 0.025
- Muted Green #5FA052 ΔE 0.030
Use #63AA5D 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.