#63DB9B
Closest named color: Aqua Green (#12E193). oklch(80.6% 0.143 157.5), rgb(99, 219, 155).
Aa
Black text reads best on this color (12.13:1).
About this color
#63DB9B is a light, vivid green. In OKLCH its lightness is 81%, its chroma 0.143 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 12.13:1.
| Hue family | Greens |
| Lightness | light (81%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Aqua Green (#12E193) |
| Black text | 12.13:1 |
| White text | 1.73:1 |
Values
| HEX | #63DB9B |
| RGB | rgb(99, 219, 155) |
| HSL | hsl(148, 62%, 62%) |
| OKLCH | oklch(80.6% 0.143 157.5) |
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 #63DB9B | 1.73:1 | Fails | Lc -34.9 | Non-text elements, placeholder text |
| Black text on #63DB9B | 12.13:1 | AAA | Lc 72.8 | Content text, not long reading |
| #63DB9B text on white | 1.73:1 | Fails | Lc 31.1 | Non-text elements, placeholder text |
| #63DB9B text on black | 12.13:1 | AAA | Lc -71.7 | 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
#ECFAF0
oklch(97.2% 0.02 154.9)
-
Step 100
100
#D4F3DF
oklch(93.6% 0.042 157.2)
-
Step 200
200
#AEEAC5
oklch(88.6% 0.079 157.3)
-
Step 300
300 (this color)
#63DB9B
oklch(80.6% 0.143 157.5)
-
Step 400
400
#00BE76
oklch(70.6% 0.166 157.6)
-
Step 500
500
#00A365
oklch(63% 0.148 157.8)
-
Step 600
600
#008954
oklch(55.5% 0.13 157.7)
-
Step 700
700
#007446
oklch(49.2% 0.116 157.5)
-
Step 800
800
#005F38
oklch(42.7% 0.101 157.3)
-
Step 900
900
#004F2E
oklch(37.6% 0.089 157.5)
-
Step 950
950
#002F1A
oklch(26.9% 0.063 158.2)
#63DB9B 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) | #D9CC97 | 0.131 |
| Deuteranopia (no green cones) | #C8C09F | 0.128 |
| Tritanopia (no blue cones) | #3BDACA | 0.066 |
| Achromatopsia (no color) | #C5C5C5 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63DB9B
#63DB9B
oklch(80.6% 0.143 157.5)
- #FA9AE0
#FA9AE0
oklch(80.6% 0.143 337.6)
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 #63DB9B, closest first.
No curated palette has a color within ΔE 0.04 of #63DB9B.
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 0.041
- Aqua Marine #2EE8BB ΔE 0.046
- Medium Aquamarine #66CDAA ΔE 0.050
- Seafoam Blue #78D1B6 ΔE 0.057
- Weird Green #3AE57F ΔE 0.057
- Seaweed #18D17B ΔE 0.063
- Hospital Green #9BE5AA ΔE 0.064
Use #63DB9B 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.