#63C655
Closest named color: Apple (#6ECB3C). oklch(74.2% 0.178 141.3), rgb(99, 198, 85).
Aa
Black text reads best on this color (9.73:1).
About this color
#63C655 is a medium-light, vivid green. In OKLCH its lightness is 74%, its chroma 0.178 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Apple (#6ECB3C), ΔE 0.029 away. Black text reads best on it, at 9.73:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | vivid (0.178) |
| Temperature | in between |
| Nearest name | Apple (#6ECB3C) |
| Black text | 9.73:1 |
| White text | 2.15:1 |
Values
| HEX | #63C655 |
| RGB | rgb(99, 198, 85) |
| HSL | hsl(113, 50%, 55%) |
| OKLCH | oklch(74.2% 0.178 141.3) |
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 #63C655 | 2.15:1 | Fails | Lc -46.8 | Large or bold text, headings |
| Black text on #63C655 | 9.73:1 | AAA | Lc 61.9 | Content text, not long reading |
| #63C655 text on white | 2.15:1 | Fails | Lc 42.1 | Non-text elements, placeholder text |
| #63C655 text on black | 9.73:1 | AAA | Lc -60.1 | Content text, not long reading |
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
#F0F8EF
oklch(97.1% 0.015 142.2)
-
Step 100
100
#DFF0DC
oklch(93.7% 0.032 141)
-
Step 200
200
#C3E4BE
oklch(88.5% 0.062 141.4)
-
Step 300
300
#98D38F
oklch(80.9% 0.111 141.2)
-
Step 400
400 (this color)
#63C655
oklch(74.2% 0.178 141.3)
-
Step 500
500
#22A600
oklch(63.2% 0.209 141.3)
-
Step 600
600
#1B8B00
oklch(55.5% 0.183 141.2)
-
Step 700
700
#157500
oklch(49% 0.162 141.2)
-
Step 800
800
#0F6000
oklch(42.6% 0.141 141.3)
-
Step 900
900
#0B5000
oklch(37.6% 0.124 141.3)
-
Step 950
950
#043000
oklch(26.9% 0.089 141.3)
#63C655 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) | #CBB64A | 0.126 |
| Deuteranopia (no green cones) | #BDAD5E | 0.125 |
| Tritanopia (no blue cones) | #58C0AD | 0.117 |
| Achromatopsia (no color) | #B1B1B1 | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63C655
#63C655
oklch(74.2% 0.178 141.3)
- #DD81EE
#DD81EE
oklch(74.1% 0.178 321.2)
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 #63C655, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Apple #6ECB3C ΔE 0.029
- Turtle Green #75B84F ΔE 0.039
- Dark Mint #48C072 ΔE 0.043
- Dark Lime Green #7EBD01 ΔE 0.044
- Apple Green #76CD26 ΔE 0.044
- Algae Green #21C36F ΔE 0.044
- Soft Green #6FC276 ΔE 0.045
- Seaweed #18D17B ΔE 0.047
Use #63C655 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.