#63BDA0
Closest named color: Greeny Blue (#42B395). oklch(73.4% 0.097 170.3), rgb(99, 189, 160).
Aa
Black text reads best on this color (9.31:1).
About this color
#63BDA0 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 73%, its chroma 0.097 and its hue 170°. Its hue sits on the cool side of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.042 away. Black text reads best on it, at 9.31:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 9.31:1 |
| White text | 2.25:1 |
Values
| HEX | #63BDA0 |
| RGB | rgb(99, 189, 160) |
| HSL | hsl(161, 41%, 56%) |
| OKLCH | oklch(73.4% 0.097 170.3) |
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 #63BDA0 | 2.25:1 | Fails | Lc -49.1 | Large or bold text, headings |
| Black text on #63BDA0 | 9.31:1 | AAA | Lc 59.7 | Large or bold text, headings |
| #63BDA0 text on white | 2.25:1 | Fails | Lc 44.3 | Non-text elements, placeholder text |
| #63BDA0 text on black | 9.31:1 | AAA | Lc -57.9 | 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
#F0F7F5
oklch(97% 0.008 177.3)
-
Step 100
100
#DFEEE8
oklch(93.6% 0.018 170.1)
-
Step 200
200
#C4E1D6
oklch(88.5% 0.034 170.7)
-
Step 300
300
#99CEBB
oklch(80.9% 0.061 170.6)
-
Step 400
400 (this color)
#63BDA0
oklch(73.4% 0.097 170.3)
-
Step 500
500
#00A17E
oklch(63.1% 0.125 170.2)
-
Step 600
600
#00876A
oklch(55.5% 0.109 170.8)
-
Step 700
700
#007259
oklch(49.1% 0.097 170.7)
-
Step 800
800
#005D48
oklch(42.6% 0.084 170.6)
-
Step 900
900
#004E3C
oklch(37.7% 0.074 170.6)
-
Step 950
950
#022E23
oklch(26.9% 0.051 171.4)
#63BDA0 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) | #B9B39F | 0.100 |
| Deuteranopia (no green cones) | #AAA8A2 | 0.096 |
| Tritanopia (no blue cones) | #42BEB5 | 0.034 |
| Achromatopsia (no color) | #ADADAD | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63BDA0
#63BDA0
oklch(73.4% 0.097 170.3)
- #D88FB1
#D88FB1
oklch(73.3% 0.098 350.3)
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 #63BDA0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.042
- Medium Aquamarine #66CDAA ΔE 0.044
- Topaz #13BBAF ΔE 0.045
- Dark Sea Green #8FBC8F ΔE 0.046
- Muted Teal #90B494 ΔE 0.048
- Pale Teal #82CBB2 ΔE 0.055
- Green Blue #01C08D ΔE 0.056
- Greenblue #23C48B ΔE 0.056
Use #63BDA0 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.