#63DC9D
Closest named color: Aqua Green (#12E193). oklch(80.9% 0.142 158.1), rgb(99, 220, 157).
Aa
Black text reads best on this color (12.25:1).
About this color
#63DC9D is a light, vivid green. In OKLCH its lightness is 81%, its chroma 0.142 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Aqua Green (#12E193), ΔE 0.040 away. Black text reads best on it, at 12.25:1.
| Hue family | Greens |
| Lightness | light (81%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Aqua Green (#12E193) |
| Black text | 12.25:1 |
| White text | 1.71:1 |
Values
| HEX | #63DC9D |
| RGB | rgb(99, 220, 157) |
| HSL | hsl(149, 63%, 63%) |
| OKLCH | oklch(80.9% 0.142 158.1) |
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 #63DC9D | 1.71:1 | Fails | Lc -34.3 | Non-text elements, placeholder text |
| Black text on #63DC9D | 12.25:1 | AAA | Lc 73.3 | Content text, not long reading |
| #63DC9D text on white | 1.71:1 | Fails | Lc 30.5 | Non-text elements, placeholder text |
| #63DC9D text on black | 12.25:1 | AAA | Lc -72.2 | 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 300.
-
Step 50
50
#ECFAF1
oklch(97.2% 0.019 157.9)
-
Step 100
100
#D4F3E0
oklch(93.7% 0.041 158.6)
-
Step 200
200
#ADEAC5
oklch(88.6% 0.08 157.7)
-
Step 300
300 (this color)
#63DC9D
oklch(80.9% 0.142 158.1)
-
Step 400
400
#00BE78
oklch(70.6% 0.164 158.2)
-
Step 500
500
#00A366
oklch(63% 0.147 158.1)
-
Step 600
600
#008955
oklch(55.5% 0.129 158.2)
-
Step 700
700
#007447
oklch(49.2% 0.115 158)
-
Step 800
800
#005F39
oklch(42.8% 0.1 157.9)
-
Step 900
900
#004F2F
oklch(37.7% 0.088 158.2)
-
Step 950
950
#002F1A
oklch(26.9% 0.063 158.2)
#63DC9D 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) | #DACD99 | 0.132 |
| Deuteranopia (no green cones) | #C9C1A1 | 0.128 |
| Tritanopia (no blue cones) | #39DBCB | 0.065 |
| Achromatopsia (no color) | #C6C6C6 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63DC9D
#63DC9D
oklch(80.9% 0.142 158.1)
- #FB9BE0
#FB9BE0
oklch(80.8% 0.142 338)
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 #63DC9D, closest first.
No curated palette has a color within ΔE 0.04 of #63DC9D.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Green #12E193 ΔE 0.040
- Emerald #06D6A0 ΔE 0.042
- Aqua Marine #2EE8BB ΔE 0.043
- Medium Aquamarine #66CDAA ΔE 0.051
- Seafoam Blue #78D1B6 ΔE 0.056
- Weird Green #3AE57F ΔE 0.058
- Hospital Green #9BE5AA ΔE 0.062
- Seaweed #18D17B ΔE 0.066
Use #63DC9D 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.