#04BCAF
Closest named color: Topaz (#13BBAF). oklch(71.6% 0.125 186.1), rgb(4, 188, 175).
Aa
Black text reads best on this color (8.81:1).
About this color
#04BCAF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 72%, its chroma 0.125 and its hue 186°. Its hue sits on the cool side of the wheel. The nearest named color is Topaz (#13BBAF), ΔE 0.003 away. Black text reads best on it, at 8.81:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Topaz (#13BBAF) |
| Black text | 8.81:1 |
| White text | 2.38:1 |
Values
| HEX | #04BCAF |
| RGB | rgb(4, 188, 175) |
| HSL | hsl(176, 96%, 38%) |
| OKLCH | oklch(71.6% 0.125 186.1) |
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 #04BCAF | 2.38:1 | Fails | Lc -51.2 | Large or bold text, headings |
| Black text on #04BCAF | 8.81:1 | AAA | Lc 57.7 | Large or bold text, headings |
| #04BCAF text on white | 2.38:1 | Fails | Lc 46.3 | Large or bold text, headings |
| #04BCAF text on black | 8.81:1 | AAA | Lc -55.8 | 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
#EEF8F6
oklch(97.1% 0.011 182.9)
-
Step 100
100
#DAEFEC
oklch(93.6% 0.022 186.5)
-
Step 200
200
#BAE3DD
oklch(88.5% 0.043 185.6)
-
Step 300
300
#84D1C8
oklch(80.8% 0.078 186.4)
-
Step 400
400 (this color)
#04BCAF
oklch(71.6% 0.125 186.1)
-
Step 500
500
#009F93
oklch(63.2% 0.111 185.4)
-
Step 600
600
#00857C
oklch(55.5% 0.097 186.5)
-
Step 700
700
#007068
oklch(49.1% 0.086 186.2)
-
Step 800
800
#005C55
oklch(42.7% 0.075 185.9)
-
Step 900
900
#004D47
oklch(37.8% 0.066 185.9)
-
Step 950
950
#002E2A
oklch(27.1% 0.048 185.8)
#04BCAF 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) | #B1B1AF | 0.132 |
| Deuteranopia (no green cones) | #9DA2B1 | 0.125 |
| Tritanopia (no blue cones) | #00C1B8 | 0.017 |
| Achromatopsia (no color) | #A8A8A8 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #04BCAF
#04BCAF
oklch(71.6% 0.125 186.1)
- #E48097
#E48097
oklch(71.5% 0.125 6)
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 #04BCAF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Topaz #13BBAF ΔE 0.003
- Light Sea Green #20B2AA ΔE 0.028
- Greeny Blue #42B395 ΔE 0.038
- Turquoise Blue #06B1C4 ΔE 0.052
- Green Blue #01C08D ΔE 0.054
- Dark Turquoise #00CED1 ΔE 0.061
- Greenblue #23C48B ΔE 0.063
- Dark Seafoam #1FB57A ΔE 0.072
Use #04BCAF 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.