#63A03B
Closest named color: Mid Green (#50A747). oklch(64.2% 0.148 135), rgb(99, 160, 59).
Aa
Black text reads best on this color (6.62:1).
About this color
#63A03B is a medium-light, vivid green. In OKLCH its lightness is 64%, its chroma 0.148 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mid Green (#50A747), ΔE 0.023 away. Black text reads best on it, at 6.62:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Mid Green (#50A747) |
| Black text | 6.62:1 |
| White text | 3.17:1 |
Values
| HEX | #63A03B |
| RGB | rgb(99, 160, 59) |
| HSL | hsl(96, 46%, 43%) |
| OKLCH | oklch(64.2% 0.148 135) |
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 #63A03B | 3.17:1 | AA large text | Lc -64.1 | Content text, not long reading |
| Black text on #63A03B | 6.62:1 | AA | Lc 45.4 | Large or bold text, headings |
| #63A03B text on white | 3.17:1 | AA large text | Lc 58.7 | Large or bold text, headings |
| #63A03B text on black | 6.62:1 | AA | Lc -43.1 | Non-text elements, placeholder text |
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
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E4EDDF
oklch(93.5% 0.021 134.1)
-
Step 200
200
#CEE0C5
oklch(88.6% 0.041 135.1)
-
Step 300
300
#ADCC9D
oklch(81% 0.072 135.1)
-
Step 400
400
#81B165
oklch(70.8% 0.117 134.8)
-
Step 500
500 (this color)
#63A03B
oklch(64.2% 0.148 135)
-
Step 600
600
#458703
oklch(55.7% 0.162 135.1)
-
Step 700
700
#397100
oklch(49.1% 0.143 134.9)
-
Step 800
800
#2E5D01
oklch(42.8% 0.124 134.9)
-
Step 900
900
#294C10
oklch(37.6% 0.096 135.1)
-
Step 950
950
#192D0B
oklch(27.1% 0.062 134.5)
#63A03B 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) | #A6942F | 0.090 |
| Deuteranopia (no green cones) | #9D8F43 | 0.090 |
| Tritanopia (no blue cones) | #629A8B | 0.108 |
| Achromatopsia (no color) | #919191 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63A03B
#63A03B
oklch(64.2% 0.148 135)
- #AE6ECA
#AE6ECA
oklch(64.2% 0.148 314.9)
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 #63A03B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Green #50A747 ΔE 0.023
- Muted Green #5FA052 ΔE 0.023
- Flat Green #699D4C ΔE 0.023
- Off Green #6BA353 ΔE 0.027
- Fern #63A950 ΔE 0.028
- Leaf #71AA34 ΔE 0.036
- Grass #5CAC2D ΔE 0.039
- Dark Pastel Green #56AE57 ΔE 0.040
Use #63A03B 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.