#63AE9B
Closest named color: Greeny Blue (#42B395). oklch(69.6% 0.081 175.6), rgb(99, 174, 155).
Aa
Black text reads best on this color (8.05:1).
About this color
#63AE9B is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.081 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.031 away. Black text reads best on it, at 8.05:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 8.05:1 |
| White text | 2.60:1 |
Values
| HEX | #63AE9B |
| RGB | rgb(99, 174, 155) |
| HSL | hsl(165, 32%, 54%) |
| OKLCH | oklch(69.6% 0.081 175.6) |
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 #63AE9B | 2.60:1 | Fails | Lc -55.9 | Large or bold text, headings |
| Black text on #63AE9B | 8.05:1 | AAA | Lc 53.3 | Large or bold text, headings |
| #63AE9B text on white | 2.60:1 | Fails | Lc 50.7 | Large or bold text, headings |
| #63AE9B text on black | 8.05:1 | AAA | Lc -51.2 | 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
#E0EDE9
oklch(93.5% 0.015 175.7)
-
Step 200
200
#C7E0D8
oklch(88.6% 0.029 174.4)
-
Step 300
300
#9FCCBF
oklch(80.9% 0.051 175.4)
-
Step 400
400 (this color)
#63AE9B
oklch(69.6% 0.081 175.6)
-
Step 500
500
#319E87
oklch(63.2% 0.103 175.7)
-
Step 600
600
#008770
oklch(55.7% 0.105 175.1)
-
Step 700
700
#00715E
oklch(49% 0.092 175.6)
-
Step 800
800
#005D4D
oklch(42.7% 0.08 175.6)
-
Step 900
900
#084D40
oklch(37.7% 0.067 175.8)
-
Step 950
950
#0A2D25
oklch(26.9% 0.043 174.9)
#63AE9B 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) | #A9A69A | 0.084 |
| Deuteranopia (no green cones) | #9D9D9C | 0.080 |
| Tritanopia (no blue cones) | #48B0A8 | 0.025 |
| Achromatopsia (no color) | #A0A0A0 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63AE9B
#63AE9B
oklch(69.6% 0.081 175.6)
- #C6899F
#C6899F
oklch(69.7% 0.08 356)
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 #63AE9B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.031
- Light Sea Green #20B2AA ΔE 0.041
- Tea #65AB7C ΔE 0.042
- Dull Teal #5F9E8F ΔE 0.046
- Topaz #13BBAF ΔE 0.049
- Cadet Blue #5F9EA0 ΔE 0.051
- Greeny Grey #7EA07A ΔE 0.052
- Dusty Green #76A973 ΔE 0.052
Use #63AE9B 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.