#63A100
Closest named color: Leaf Green (#5CA904). oklch(64.2% 0.177 131.6), rgb(99, 161, 0).
Aa
Black text reads best on this color (6.62:1).
About this color
#63A100 is a medium-light, vivid green. In OKLCH its lightness is 64%, its chroma 0.177 and its hue 132°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leaf Green (#5CA904), ΔE 0.023 away. Black text reads best on it, at 6.62:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.177) |
| Temperature | in between |
| Nearest name | Leaf Green (#5CA904) |
| Black text | 6.62:1 |
| White text | 3.16:1 |
Values
| HEX | #63A100 |
| RGB | rgb(99, 161, 0) |
| HSL | hsl(83, 100%, 32%) |
| OKLCH | oklch(64.2% 0.177 131.6) |
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 #63A100 | 3.16:1 | AA large text | Lc -63.9 | Content text, not long reading |
| Black text on #63A100 | 6.62:1 | AA | Lc 45.6 | Large or bold text, headings |
| #63A100 text on white | 3.16:1 | AA large text | Lc 58.5 | Large or bold text, headings |
| #63A100 text on black | 6.62:1 | AA | Lc -43.2 | 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
#F3F7EF
oklch(97.1% 0.011 128.6)
-
Step 100
100
#E4EEDD
oklch(93.7% 0.025 132.1)
-
Step 200
200
#CEE0C0
oklch(88.5% 0.047 131.4)
-
Step 300
300
#ACCD92
oklch(80.9% 0.087 131.9)
-
Step 400
400
#80B251
oklch(70.7% 0.139 131.7)
-
Step 500
500 (this color)
#63A100
oklch(64.2% 0.177 131.6)
-
Step 600
600
#508400
oklch(55.5% 0.153 131.6)
-
Step 700
700
#436F00
oklch(49% 0.135 131.5)
-
Step 800
800
#365B00
oklch(42.7% 0.117 131.5)
-
Step 900
900
#2C4C00
oklch(37.7% 0.104 131.6)
-
Step 950
950
#192D01
oklch(27% 0.072 131.2)
#63A100 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) | #A89400 | 0.097 |
| Deuteranopia (no green cones) | #A08F1F | 0.096 |
| Tritanopia (no blue cones) | #659A88 | 0.134 |
| Achromatopsia (no color) | #919191 | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63A100
#63A100
oklch(64.2% 0.177 131.6)
- #AF67D9
#AF67D9
oklch(64% 0.177 311.6)
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 #63A100, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leaf Green #5CA904 ΔE 0.023
- Grass #5CAC2D ΔE 0.031
- Grassy Green #419C03 ΔE 0.037
- Mid Green #50A747 ΔE 0.037
- Leaf #71AA34 ΔE 0.038
- Grass Green #3F9B0B ΔE 0.039
- Medium Green #39AD48 ΔE 0.046
- Fern #63A950 ΔE 0.048
Use #63A100 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.