#63AD59
Closest named color: Dark Pastel Green (#56AE57). oklch(67.9% 0.139 141.4), rgb(99, 173, 89).
Aa
Black text reads best on this color (7.65:1).
About this color
#63AD59 is a medium-light, moderately saturated green. In OKLCH its lightness is 68%, its chroma 0.139 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 7.65:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Dark Pastel Green (#56AE57) |
| Black text | 7.65:1 |
| White text | 2.74:1 |
Values
| HEX | #63AD59 |
| RGB | rgb(99, 173, 89) |
| HSL | hsl(113, 34%, 51%) |
| OKLCH | oklch(67.9% 0.139 141.4) |
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 #63AD59 | 2.74:1 | Fails | Lc -58.1 | Large or bold text, headings |
| Black text on #63AD59 | 7.65:1 | AAA | Lc 51.2 | Large or bold text, headings |
| #63AD59 text on white | 2.74:1 | Fails | Lc 52.9 | Large or bold text, headings |
| #63AD59 text on black | 7.65:1 | AAA | Lc -49.0 | 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
#E1EEDF
oklch(93.5% 0.024 141.5)
-
Step 200
200
#C8E2C4
oklch(88.6% 0.049 141.4)
-
Step 300
300
#A1CF9B
oklch(80.8% 0.087 141.8)
-
Step 400
400 (this color)
#63AD59
oklch(67.9% 0.139 141.4)
-
Step 500
500
#3DA230
oklch(63% 0.178 141.5)
-
Step 600
600
#198C00
oklch(55.7% 0.185 141.4)
-
Step 700
700
#137500
oklch(49% 0.163 141.4)
-
Step 800
800
#0E6000
oklch(42.6% 0.141 141.4)
-
Step 900
900
#13500A
oklch(37.8% 0.116 141.4)
-
Step 950
950
#0D2F09
oklch(27% 0.074 141.6)
#63AD59 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) | #B1A052 | 0.100 |
| Deuteranopia (no green cones) | #A6995F | 0.100 |
| Tritanopia (no blue cones) | #5CA899 | 0.091 |
| Achromatopsia (no color) | #9C9C9C | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63AD59
#63AD59
oklch(67.9% 0.139 141.4)
- #BF79CB
#BF79CB
oklch(67.9% 0.139 321.6)
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 #63AD59, 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
- Fern #63A950 ΔE 0.013
- Boring Green #63B365 ΔE 0.019
- Asparagus #77AB56 ΔE 0.020
- Algae #54AC68 ΔE 0.021
- Off Green #6BA353 ΔE 0.027
- Dull Green #74A662 ΔE 0.031
- Mid Green #50A747 ΔE 0.032
Use #63AD59 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.