#63AF59
Closest named color: Dark Pastel Green (#56AE57). oklch(68.4% 0.142 141.5), rgb(99, 175, 89).
Aa
Black text reads best on this color (7.80:1).
About this color
#63AF59 is a medium-light, vivid green. In OKLCH its lightness is 68%, its chroma 0.142 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Pastel Green (#56AE57), ΔE 0.013 away. Black text reads best on it, at 7.80:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Dark Pastel Green (#56AE57) |
| Black text | 7.80:1 |
| White text | 2.68:1 |
Values
| HEX | #63AF59 |
| RGB | rgb(99, 175, 89) |
| HSL | hsl(113, 35%, 52%) |
| OKLCH | oklch(68.4% 0.142 141.5) |
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 #63AF59 | 2.68:1 | Fails | Lc -57.2 | Large or bold text, headings |
| Black text on #63AF59 | 7.80:1 | AAA | Lc 52.0 | Large or bold text, headings |
| #63AF59 text on white | 2.68:1 | Fails | Lc 52.0 | Large or bold text, headings |
| #63AF59 text on black | 7.80:1 | AAA | Lc -49.9 | 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
#F1F8F0
oklch(97.2% 0.013 141.8)
-
Step 100
100
#E1EFDF
oklch(93.7% 0.026 141.8)
-
Step 200
200
#C8E2C4
oklch(88.6% 0.049 141.4)
-
Step 300
300
#A1D09A
oklch(81% 0.089 141.4)
-
Step 400
400 (this color)
#63AF59
oklch(68.4% 0.142 141.5)
-
Step 500
500
#3AA32D
oklch(63.1% 0.182 141.5)
-
Step 600
600
#188C00
oklch(55.7% 0.185 141.5)
-
Step 700
700
#127500
oklch(48.9% 0.163 141.5)
-
Step 800
800
#0D6000
oklch(42.6% 0.142 141.5)
-
Step 900
900
#105007
oklch(37.7% 0.119 141.5)
-
Step 950
950
#0D2F08
oklch(27% 0.075 141.2)
#63AF59 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) | #B3A252 | 0.102 |
| Deuteranopia (no green cones) | #A89B5F | 0.101 |
| Tritanopia (no blue cones) | #5CAA9B | 0.094 |
| Achromatopsia (no color) | #9E9E9E | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63AF59
#63AF59
oklch(68.4% 0.142 141.5)
- #C17ACE
#C17ACE
oklch(68.4% 0.142 321.2)
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 #63AF59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Pastel Green #56AE57 ΔE 0.013
- Boring Green #63B365 ΔE 0.015
- Fern #63A950 ΔE 0.017
- Asparagus #77AB56 ΔE 0.022
- Algae #54AC68 ΔE 0.024
- Leaf #71AA34 ΔE 0.032
- Off Green #6BA353 ΔE 0.033
- Medium Sea Green #3CB371 ΔE 0.034
Use #63AF59 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.