#63AC42
Closest named color: Leaf (#71AA34). oklch(67.4% 0.159 137.2), rgb(99, 172, 66).
Aa
Black text reads best on this color (7.51:1).
About this color
#63AC42 is a medium-light, vivid green. In OKLCH its lightness is 67%, its chroma 0.159 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leaf (#71AA34), ΔE 0.015 away. Black text reads best on it, at 7.51:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.159) |
| Temperature | in between |
| Nearest name | Leaf (#71AA34) |
| Black text | 7.51:1 |
| White text | 2.79:1 |
Values
| HEX | #63AC42 |
| RGB | rgb(99, 172, 66) |
| HSL | hsl(101, 45%, 47%) |
| OKLCH | oklch(67.4% 0.159 137.2) |
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 #63AC42 | 2.79:1 | Fails | Lc -58.9 | Large or bold text, headings |
| Black text on #63AC42 | 7.51:1 | AAA | Lc 50.4 | Large or bold text, headings |
| #63AC42 text on white | 2.79:1 | Fails | Lc 53.6 | Large or bold text, headings |
| #63AC42 text on black | 7.51:1 | AAA | Lc -48.2 | 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 400.
-
Step 50
50
#F1F8EF
oklch(97.1% 0.014 138.7)
-
Step 100
100
#E1EFDC
oklch(93.6% 0.029 137.4)
-
Step 200
200
#C8E2BF
oklch(88.4% 0.055 137.6)
-
Step 300
300
#A2D090
oklch(80.9% 0.1 137.1)
-
Step 400
400 (this color)
#63AC42
oklch(67.4% 0.159 137.2)
-
Step 500
500
#47A200
oklch(63.1% 0.192 137.2)
-
Step 600
600
#3A8800
oklch(55.5% 0.169 137.3)
-
Step 700
700
#307300
oklch(49.2% 0.15 137.3)
-
Step 800
800
#265E00
oklch(42.7% 0.13 137.2)
-
Step 900
900
#1F4E00
oklch(37.6% 0.114 137)
-
Step 950
950
#0F2F00
oklch(27% 0.083 137.4)
#63AC42 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) | #B19E36 | 0.102 |
| Deuteranopia (no green cones) | #A7984A | 0.102 |
| Tritanopia (no blue cones) | #5FA695 | 0.111 |
| Achromatopsia (no color) | #9B9B9B | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63AC42
#63AC42
oklch(67.4% 0.159 137.2)
- #BD74D6
#BD74D6
oklch(67.4% 0.158 317)
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 #63AC42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leaf #71AA34 ΔE 0.015
- Fern #63A950 ΔE 0.018
- Grass #5CAC2D ΔE 0.019
- Dark Pastel Green #56AE57 ΔE 0.020
- Mid Green #50A747 ΔE 0.025
- Medium Green #39AD48 ΔE 0.031
- Asparagus #77AB56 ΔE 0.033
- Leaf Green #5CA904 ΔE 0.035
Use #63AC42 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.