#00A78D
Closest named color: Persian Green (#2A9D8F). oklch(65.1% 0.121 176.3), rgb(0, 167, 141).
Aa
Black text reads best on this color (6.91:1).
About this color
#00A78D is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 65%, its chroma 0.121 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Persian Green (#2A9D8F), ΔE 0.031 away. Black text reads best on it, at 6.91:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Persian Green (#2A9D8F) |
| Black text | 6.91:1 |
| White text | 3.03:1 |
Values
| HEX | #00A78D |
| RGB | rgb(0, 167, 141) |
| HSL | hsl(171, 100%, 33%) |
| OKLCH | oklch(65.1% 0.121 176.3) |
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 #00A78D | 3.03:1 | AA large text | Lc -61.9 | Content text, not long reading |
| Black text on #00A78D | 6.91:1 | AA | Lc 47.5 | Large or bold text, headings |
| #00A78D text on white | 3.03:1 | AA large text | Lc 56.5 | Large or bold text, headings |
| #00A78D text on black | 6.91:1 | AA | Lc -45.2 | 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 500.
-
Step 50
50
#F0F7F5
oklch(97% 0.008 177.3)
-
Step 100
100
#DFEEE9
oklch(93.7% 0.017 174)
-
Step 200
200
#C3E1D8
oklch(88.5% 0.034 175.5)
-
Step 300
300
#98CEBF
oklch(81% 0.06 175.7)
-
Step 400
400
#57B49F
oklch(70.7% 0.095 176.6)
-
Step 500
500 (this color)
#00A78D
oklch(65.1% 0.121 176.3)
-
Step 600
600
#008771
oklch(55.7% 0.104 175.8)
-
Step 700
700
#00715F
oklch(49% 0.091 176.5)
-
Step 800
800
#005D4E
oklch(42.8% 0.079 176.7)
-
Step 900
900
#004D40
oklch(37.6% 0.07 176.4)
-
Step 950
950
#002E26
oklch(26.9% 0.05 177.5)
#00A78D 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) | #A09C8C | 0.127 |
| Deuteranopia (no green cones) | #8E8E8F | 0.122 |
| Tritanopia (no blue cones) | #00A99F | 0.026 |
| Achromatopsia (no color) | #949494 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00A78D
#00A78D
oklch(65.1% 0.121 176.3)
- #C96E91
#C96E91
oklch(65.1% 0.121 356.6)
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 #00A78D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Persian Green #2A9D8F ΔE 0.031
- Jade #1FA774 ΔE 0.035
- Blue Green #0F9B8E ΔE 0.037
- Ocean Green #3D9973 ΔE 0.045
- Greeny Blue #42B395 ΔE 0.045
- Sea #3C9992 ΔE 0.047
- Light Sea Green #20B2AA ΔE 0.048
- Bluey Green #2BB179 ΔE 0.049
Use #00A78D 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.