#63B199
Closest named color: Greeny Blue (#42B395). oklch(70.3% 0.086 171.8), rgb(99, 177, 153).
Aa
Black text reads best on this color (8.27:1).
About this color
#63B199 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.086 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.027 away. Black text reads best on it, at 8.27:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 8.27:1 |
| White text | 2.53:1 |
Values
| HEX | #63B199 |
| RGB | rgb(99, 177, 153) |
| HSL | hsl(162, 33%, 54%) |
| OKLCH | oklch(70.3% 0.086 171.8) |
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 #63B199 | 2.53:1 | Fails | Lc -54.7 | Large or bold text, headings |
| Black text on #63B199 | 8.27:1 | AAA | Lc 54.4 | Large or bold text, headings |
| #63B199 text on white | 2.53:1 | Fails | Lc 49.6 | Large or bold text, headings |
| #63B199 text on black | 8.27:1 | AAA | Lc -52.4 | 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
#E0EDE8
oklch(93.5% 0.015 171)
-
Step 200
200
#C6E0D7
oklch(88.5% 0.03 172.8)
-
Step 300
300
#9ECCBC
oklch(80.8% 0.053 171.6)
-
Step 400
400 (this color)
#63B199
oklch(70.3% 0.086 171.8)
-
Step 500
500
#2C9F81
oklch(63.2% 0.11 171.3)
-
Step 600
600
#00876C
oklch(55.5% 0.108 172.1)
-
Step 700
700
#00725A
oklch(49.2% 0.096 171.5)
-
Step 800
800
#005D49
oklch(42.6% 0.083 171.6)
-
Step 900
900
#044E3D
oklch(37.8% 0.072 171.4)
-
Step 950
950
#082E24
oklch(27.2% 0.046 171.6)
#63B199 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) | #ADA898 | 0.089 |
| Deuteranopia (no green cones) | #A09F9B | 0.085 |
| Tritanopia (no blue cones) | #49B2AA | 0.029 |
| Achromatopsia (no color) | #A3A3A3 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63B199
#63B199
oklch(70.3% 0.086 171.8)
- #C989A5
#C989A5
oklch(70.2% 0.086 351.7)
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 #63B199, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.027
- Tea #65AB7C ΔE 0.039
- Light Sea Green #20B2AA ΔE 0.043
- Topaz #13BBAF ΔE 0.047
- Dusty Green #76A973 ΔE 0.049
- Muted Teal #90B494 ΔE 0.050
- Faded Green #7BB274 ΔE 0.053
- Dull Teal #5F9E8F ΔE 0.054
Use #63B199 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.