#63B2A0
Closest named color: Greeny Blue (#42B395). oklch(70.8% 0.083 177.3), rgb(99, 178, 160).
Aa
Black text reads best on this color (8.40:1).
About this color
#63B2A0 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 71%, its chroma 0.083 and its hue 177°. Its hue sits on the cool side of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.032 away. Black text reads best on it, at 8.40:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 8.40:1 |
| White text | 2.49:1 |
Values
| HEX | #63B2A0 |
| RGB | rgb(99, 178, 160) |
| HSL | hsl(166, 34%, 54%) |
| OKLCH | oklch(70.8% 0.083 177.3) |
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 #63B2A0 | 2.49:1 | Fails | Lc -54.0 | Large or bold text, headings |
| Black text on #63B2A0 | 8.40:1 | AAA | Lc 55.1 | Large or bold text, headings |
| #63B2A0 text on white | 2.49:1 | Fails | Lc 48.9 | Large or bold text, headings |
| #63B2A0 text on black | 8.40:1 | AAA | Lc -53.1 | 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
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E0EDEA
oklch(93.6% 0.014 180.7)
-
Step 200
200
#C6E0D9
oklch(88.6% 0.029 177.6)
-
Step 300
300
#9DCCC0
oklch(80.9% 0.052 177.5)
-
Step 400
400 (this color)
#63B2A0
oklch(70.8% 0.083 177.3)
-
Step 500
500
#289E89
oklch(63.1% 0.106 177.8)
-
Step 600
600
#008772
oklch(55.7% 0.104 176.6)
-
Step 700
700
#007160
oklch(49.1% 0.091 177.4)
-
Step 800
800
#005D4E
oklch(42.8% 0.079 176.7)
-
Step 900
900
#014D41
oklch(37.6% 0.069 177.6)
-
Step 950
950
#082D26
oklch(26.9% 0.043 177.6)
#63B2A0 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) | #ADA99F | 0.088 |
| Deuteranopia (no green cones) | #9FA0A1 | 0.083 |
| Tritanopia (no blue cones) | #45B4AD | 0.026 |
| Achromatopsia (no color) | #A4A4A4 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63B2A0
#63B2A0
oklch(70.8% 0.083 177.3)
- #CC8BA1
#CC8BA1
oklch(70.8% 0.084 357.5)
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 #63B2A0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.032
- Light Sea Green #20B2AA ΔE 0.040
- Topaz #13BBAF ΔE 0.043
- Tea #65AB7C ΔE 0.048
- Muted Teal #90B494 ΔE 0.050
- Dull Teal #5F9E8F ΔE 0.057
- Dusty Green #76A973 ΔE 0.058
- Cadet Blue #5F9EA0 ΔE 0.059
Use #63B2A0 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.