#1CA59F
Closest named color: Persian Green (#2A9D8F). oklch(65.4% 0.108 190.1), rgb(28, 165, 159).
Aa
Black text reads best on this color (6.93:1).
About this color
#1CA59F is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 65%, its chroma 0.108 and its hue 190°. Its hue sits on the cool side of the wheel. The nearest named color is Persian Green (#2A9D8F), ΔE 0.028 away. Black text reads best on it, at 6.93:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Persian Green (#2A9D8F) |
| Black text | 6.93:1 |
| White text | 3.02:1 |
Values
| HEX | #1CA59F |
| RGB | rgb(28, 165, 159) |
| HSL | hsl(177, 71%, 38%) |
| OKLCH | oklch(65.4% 0.108 190.1) |
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 #1CA59F | 3.02:1 | AA large text | Lc -61.9 | Content text, not long reading |
| Black text on #1CA59F | 6.93:1 | AA | Lc 47.5 | Large or bold text, headings |
| #1CA59F text on white | 3.02:1 | AA large text | Lc 56.6 | Large or bold text, headings |
| #1CA59F text on black | 6.93:1 | 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
#F0F7F6
oklch(97.1% 0.008 186.9)
-
Step 100
100
#DFEDEC
oklch(93.5% 0.015 191.8)
-
Step 200
200
#C4E0DD
oklch(88.5% 0.03 188.8)
-
Step 300
300
#9ACCC8
oklch(80.9% 0.052 190)
-
Step 400
400
#5BB2AC
oklch(70.8% 0.085 189.5)
-
Step 500
500 (this color)
#1CA59F
oklch(65.4% 0.108 190.1)
-
Step 600
600
#008580
oklch(55.7% 0.096 190.1)
-
Step 700
700
#00706B
oklch(49.2% 0.085 189.4)
-
Step 800
800
#005C58
oklch(42.8% 0.074 189.6)
-
Step 900
900
#004C49
oklch(37.6% 0.065 190.2)
-
Step 950
950
#032D2B
oklch(26.9% 0.044 190)
#1CA59F 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) | #9B9C9F | 0.114 |
| Deuteranopia (no green cones) | #898FA0 | 0.107 |
| Tritanopia (no blue cones) | #00AAA3 | 0.014 |
| Achromatopsia (no color) | #949494 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1CA59F
#1CA59F
oklch(65.4% 0.108 190.1)
- #C87381
#C87381
oklch(65.3% 0.108 9.9)
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 #1CA59F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Persian Green #2A9D8F ΔE 0.028
- Sea #3C9992 ΔE 0.035
- Blue Green #0F9B8E ΔE 0.035
- Light Sea Green #20B2AA ΔE 0.038
- Dull Teal #5F9E8F ΔE 0.043
- Cadet Blue #5F9EA0 ΔE 0.045
- Grey Teal #5E9B8A ΔE 0.047
- Greeny Blue #42B395 ΔE 0.053
Use #1CA59F 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.