#63B69F
Closest named color: Greeny Blue (#42B395). oklch(71.7% 0.089 173.7), rgb(99, 182, 159).
Aa
Black text reads best on this color (8.72:1).
About this color
#63B69F is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 72%, its chroma 0.089 and its hue 174°. 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 8.72:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 8.72:1 |
| White text | 2.40:1 |
Values
| HEX | #63B69F |
| RGB | rgb(99, 182, 159) |
| HSL | hsl(163, 36%, 55%) |
| OKLCH | oklch(71.7% 0.089 173.7) |
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 #63B69F | 2.40:1 | Fails | Lc -52.2 | Large or bold text, headings |
| Black text on #63B69F | 8.72:1 | AAA | Lc 56.7 | Large or bold text, headings |
| #63B69F text on white | 2.40:1 | Fails | Lc 47.3 | Large or bold text, headings |
| #63B69F text on black | 8.72:1 | AAA | Lc -54.8 | 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
#E0EEE9
oklch(93.7% 0.016 172.6)
-
Step 200
200
#C5E0D7
oklch(88.4% 0.031 173.5)
-
Step 300
300
#9CCDBE
oklch(81% 0.055 174.1)
-
Step 400
400 (this color)
#63B69F
oklch(71.7% 0.089 173.7)
-
Step 500
500
#1F9F84
oklch(63% 0.113 174.1)
-
Step 600
600
#00876E
oklch(55.6% 0.106 173.6)
-
Step 700
700
#00725C
oklch(49.2% 0.094 173.1)
-
Step 800
800
#005D4B
oklch(42.7% 0.081 173.5)
-
Step 900
900
#004E3E
oklch(37.8% 0.073 172.9)
-
Step 950
950
#062E24
oklch(27.1% 0.047 172.2)
#63B69F 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) | #B1AD9E | 0.092 |
| Deuteranopia (no green cones) | #A4A3A1 | 0.089 |
| Tritanopia (no blue cones) | #45B8AF | 0.028 |
| Achromatopsia (no color) | #A7A7A7 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63B69F
#63B69F
oklch(71.7% 0.089 173.7)
- #D08CA8
#D08CA8
oklch(71.6% 0.09 353.3)
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 #63B69F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.032
- Topaz #13BBAF ΔE 0.041
- Light Sea Green #20B2AA ΔE 0.045
- Muted Teal #90B494 ΔE 0.047
- Tea #65AB7C ΔE 0.049
- Dark Sea Green #8FBC8F ΔE 0.055
- Faded Green #7BB274 ΔE 0.056
- Sage Green #88B378 ΔE 0.057
Use #63B69F 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.