#63AE55
Closest named color: Dark Pastel Green (#56AE57). oklch(68.1% 0.145 140.6), rgb(99, 174, 85).
Aa
Black text reads best on this color (7.71:1).
About this color
#63AE55 is a medium-light, vivid green. In OKLCH its lightness is 68%, its chroma 0.145 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 0.011 away. Black text reads best on it, at 7.71:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Dark Pastel Green (#56AE57) |
| Black text | 7.71:1 |
| White text | 2.72:1 |
Values
| HEX | #63AE55 |
| RGB | rgb(99, 174, 85) |
| HSL | hsl(111, 35%, 51%) |
| OKLCH | oklch(68.1% 0.145 140.6) |
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 #63AE55 | 2.72:1 | Fails | Lc -57.7 | Large or bold text, headings |
| Black text on #63AE55 | 7.71:1 | AAA | Lc 51.5 | Large or bold text, headings |
| #63AE55 text on white | 2.72:1 | Fails | Lc 52.5 | Large or bold text, headings |
| #63AE55 text on black | 7.71:1 | AAA | Lc -49.4 | 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
#E1EFDE
oklch(93.7% 0.027 140.2)
-
Step 200
200
#C8E2C3
oklch(88.5% 0.05 140.6)
-
Step 300
300
#A1D098
oklch(81% 0.092 140.5)
-
Step 400
400 (this color)
#63AE55
oklch(68.1% 0.145 140.6)
-
Step 500
500
#3CA326
oklch(63.1% 0.185 140.6)
-
Step 600
600
#238B00
oklch(55.6% 0.181 140.6)
-
Step 700
700
#1C7500
oklch(49.2% 0.16 140.5)
-
Step 800
800
#156000
oklch(42.7% 0.139 140.6)
-
Step 900
900
#125002
oklch(37.8% 0.121 140.5)
-
Step 950
950
#0D2F07
oklch(27% 0.076 140.8)
#63AE55 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) | #B2A14D | 0.101 |
| Deuteranopia (no green cones) | #A89A5B | 0.102 |
| Tritanopia (no blue cones) | #5CA999 | 0.095 |
| Achromatopsia (no color) | #9D9D9D | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63AE55
#63AE55
oklch(68.1% 0.145 140.6)
- #C078CF
#C078CF
oklch(68% 0.146 320.5)
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 #63AE55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Pastel Green #56AE57 ΔE 0.011
- Fern #63A950 ΔE 0.014
- Boring Green #63B365 ΔE 0.020
- Asparagus #77AB56 ΔE 0.022
- Algae #54AC68 ΔE 0.026
- Leaf #71AA34 ΔE 0.028
- Off Green #6BA353 ΔE 0.031
- Mid Green #50A747 ΔE 0.031
Use #63AE55 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.