#63A541
Closest named color: Fern (#63A950). oklch(65.6% 0.15 136.4), rgb(99, 165, 65).
Aa
Black text reads best on this color (6.98:1).
About this color
#63A541 is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.150 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern (#63A950), ΔE 0.016 away. Black text reads best on it, at 6.98:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.150) |
| Temperature | in between |
| Nearest name | Fern (#63A950) |
| Black text | 6.98:1 |
| White text | 3.00:1 |
Values
| HEX | #63A541 |
| RGB | rgb(99, 165, 65) |
| HSL | hsl(100, 43%, 45%) |
| OKLCH | oklch(65.6% 0.15 136.4) |
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 #63A541 | 3.00:1 | AA large text | Lc -61.9 | Content text, not long reading |
| Black text on #63A541 | 6.98:1 | AA | Lc 47.5 | Large or bold text, headings |
| #63A541 text on white | 3.00:1 | AA large text | Lc 56.5 | Large or bold text, headings |
| #63A541 text on black | 6.98:1 | AA | Lc -45.2 | 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
#E4EDDF
oklch(93.5% 0.021 134.1)
-
Step 200
200
#CDE0C5
oklch(88.5% 0.042 136.3)
-
Step 300
300
#ABCC9D
oklch(80.9% 0.074 136.5)
-
Step 400
400
#7EB166
oklch(70.6% 0.117 136.2)
-
Step 500
500 (this color)
#63A541
oklch(65.6% 0.15 136.4)
-
Step 600
600
#408709
oklch(55.5% 0.163 136.4)
-
Step 700
700
#337200
oklch(49.1% 0.147 136.5)
-
Step 800
800
#2A5D03
oklch(42.6% 0.125 136.3)
-
Step 900
900
#274D11
oklch(37.8% 0.098 136.4)
-
Step 950
950
#172D0C
oklch(27% 0.062 136.6)
#63A541 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) | #AA9836 | 0.094 |
| Deuteranopia (no green cones) | #A19349 | 0.094 |
| Tritanopia (no blue cones) | #619F90 | 0.108 |
| Achromatopsia (no color) | #959595 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63A541
#63A541
oklch(65.6% 0.15 136.4)
- #B571CE
#B571CE
oklch(65.6% 0.151 316.5)
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 #63A541, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern #63A950 ΔE 0.016
- Mid Green #50A747 ΔE 0.017
- Off Green #6BA353 ΔE 0.024
- Leaf #71AA34 ΔE 0.025
- Muted Green #5FA052 ΔE 0.026
- Dark Pastel Green #56AE57 ΔE 0.028
- Flat Green #699D4C ΔE 0.029
- Grass #5CAC2D ΔE 0.030
Use #63A541 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.