#63AF3D
Closest named color: Grass (#5CAC2D). oklch(68.1% 0.167 136.8), rgb(99, 175, 61).
Aa
Black text reads best on this color (7.72:1).
About this color
#63AF3D is a medium-light, vivid green. In OKLCH its lightness is 68%, its chroma 0.167 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass (#5CAC2D), ΔE 0.016 away. Black text reads best on it, at 7.72:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.167) |
| Temperature | in between |
| Nearest name | Grass (#5CAC2D) |
| Black text | 7.72:1 |
| White text | 2.71:1 |
Values
| HEX | #63AF3D |
| RGB | rgb(99, 175, 61) |
| HSL | hsl(100, 48%, 46%) |
| OKLCH | oklch(68.1% 0.167 136.8) |
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 #63AF3D | 2.71:1 | Fails | Lc -57.6 | Large or bold text, headings |
| Black text on #63AF3D | 7.72:1 | AAA | Lc 51.6 | Large or bold text, headings |
| #63AF3D text on white | 2.71:1 | Fails | Lc 52.4 | Large or bold text, headings |
| #63AF3D text on black | 7.72:1 | AAA | Lc -49.5 | 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
#E1EFDB
oklch(93.6% 0.03 136.1)
-
Step 200
200
#C8E3BD
oklch(88.6% 0.059 136.6)
-
Step 300
300
#A1D18D
oklch(81% 0.105 136.8)
-
Step 400
400 (this color)
#63AF3D
oklch(68.1% 0.167 136.8)
-
Step 500
500
#49A200
oklch(63.2% 0.191 136.9)
-
Step 600
600
#3C8800
oklch(55.6% 0.168 136.9)
-
Step 700
700
#327200
oklch(49% 0.148 136.7)
-
Step 800
800
#275E00
oklch(42.7% 0.129 137)
-
Step 900
900
#204E00
oklch(37.6% 0.113 136.7)
-
Step 950
950
#102F00
oklch(27.1% 0.082 137)
#63AF3D 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) | #B5A12F | 0.106 |
| Deuteranopia (no green cones) | #AA9A47 | 0.107 |
| Tritanopia (no blue cones) | #5FA997 | 0.117 |
| Achromatopsia (no color) | #9D9D9D | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63AF3D
#63AF3D
oklch(68.1% 0.167 136.8)
- #C174DC
#C174DC
oklch(68.1% 0.167 316.8)
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 #63AF3D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass #5CAC2D ΔE 0.016
- Leaf #71AA34 ΔE 0.017
- Leafy Green #51B73B ΔE 0.026
- Dark Pastel Green #56AE57 ΔE 0.026
- Fern #63A950 ΔE 0.029
- Leaf Green #5CA904 ΔE 0.032
- Mid Green #50A747 ΔE 0.033
- Medium Green #39AD48 ΔE 0.033
Use #63AF3D 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.