#63AB9D
Closest named color: Greeny Blue (#42B395). oklch(69% 0.076 180), rgb(99, 171, 157).
Aa
Black text reads best on this color (7.84:1).
About this color
#63AB9D is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 69%, its chroma 0.076 and its hue 180°. Its hue sits on the cool side of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.038 away. Black text reads best on it, at 7.84:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 7.84:1 |
| White text | 2.67:1 |
Values
| HEX | #63AB9D |
| RGB | rgb(99, 171, 157) |
| HSL | hsl(168, 30%, 53%) |
| OKLCH | oklch(69% 0.076 180) |
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 #63AB9D | 2.67:1 | Fails | Lc -57.1 | Large or bold text, headings |
| Black text on #63AB9D | 7.84:1 | AAA | Lc 52.1 | Large or bold text, headings |
| #63AB9D text on white | 2.67:1 | Fails | Lc 51.9 | Large or bold text, headings |
| #63AB9D text on black | 7.84:1 | AAA | Lc -50.0 | 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
#E1EDEA
oklch(93.6% 0.013 179.5)
-
Step 200
200
#C7DFDA
oklch(88.4% 0.026 181.8)
-
Step 300
300
#A0CBC2
oklch(80.9% 0.047 180.9)
-
Step 400
400 (this color)
#63AB9D
oklch(69% 0.076 180)
-
Step 500
500
#369D8C
oklch(63.2% 0.097 180)
-
Step 600
600
#008676
oklch(55.6% 0.1 180.5)
-
Step 700
700
#007163
oklch(49.2% 0.089 180.3)
-
Step 800
800
#005D51
oklch(42.9% 0.078 180)
-
Step 900
900
#0C4C43
oklch(37.6% 0.063 180.8)
-
Step 950
950
#0B2D27
oklch(27.1% 0.041 179.3)
#63AB9D 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) | #A5A39C | 0.080 |
| Deuteranopia (no green cones) | #999A9E | 0.077 |
| Tritanopia (no blue cones) | #48ADA7 | 0.023 |
| Achromatopsia (no color) | #9E9E9E | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63AB9D
#63AB9D
oklch(69% 0.076 180)
- #C38899
#C38899
oklch(69% 0.075 0.4)
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 #63AB9D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.038
- Dull Teal #5F9E8F ΔE 0.038
- Cadet Blue #5F9EA0 ΔE 0.041
- Light Sea Green #20B2AA ΔE 0.041
- Tea #65AB7C ΔE 0.047
- Grey Teal #5E9B8A ΔE 0.048
- Greeny Grey #7EA07A ΔE 0.051
- Grey Green #86A17D ΔE 0.052
Use #63AB9D 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.