#1FA873
Closest named color: Jade (#1FA774). oklch(64.9% 0.137 160.9), rgb(31, 168, 115).
Aa
Black text reads best on this color (6.90:1).
About this color
#1FA873 is a medium-light, moderately saturated green. In OKLCH its lightness is 65%, its chroma 0.137 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jade (#1FA774), ΔE 0.004 away. Black text reads best on it, at 6.90:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.137) |
| Temperature | in between |
| Nearest name | Jade (#1FA774) |
| Black text | 6.90:1 |
| White text | 3.04:1 |
Values
| HEX | #1FA873 |
| RGB | rgb(31, 168, 115) |
| HSL | hsl(157, 69%, 39%) |
| OKLCH | oklch(64.9% 0.137 160.9) |
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 #1FA873 | 3.04:1 | AA large text | Lc -62.1 | Content text, not long reading |
| Black text on #1FA873 | 6.90:1 | AA | Lc 47.3 | Large or bold text, headings |
| #1FA873 text on white | 3.04:1 | AA large text | Lc 56.7 | Large or bold text, headings |
| #1FA873 text on black | 6.90:1 | AA | Lc -45.1 | 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
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#DFEEE6
oklch(93.6% 0.019 162.9)
-
Step 200
200
#C5E1D1
oklch(88.5% 0.037 160.5)
-
Step 300
300
#9BCFB3
oklch(81% 0.067 160.9)
-
Step 400
400
#5DB58B
oklch(70.7% 0.106 161.2)
-
Step 500
500 (this color)
#1FA873
oklch(64.9% 0.137 160.9)
-
Step 600
600
#00895B
oklch(55.6% 0.124 161)
-
Step 700
700
#00734C
oklch(49.1% 0.109 161.2)
-
Step 800
800
#005E3D
oklch(42.6% 0.095 160.9)
-
Step 900
900
#004F32
oklch(37.7% 0.085 160.4)
-
Step 950
950
#042F1D
oklch(27.1% 0.057 160.4)
#1FA873 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) | #A69B70 | 0.131 |
| Deuteranopia (no green cones) | #968F76 | 0.127 |
| Tritanopia (no blue cones) | #00A79A | 0.057 |
| Achromatopsia (no color) | #949494 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1FA873
#1FA873
oklch(64.9% 0.137 160.9)
- #C66BA8
#C66BA8
oklch(65.1% 0.137 341)
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 #1FA873, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jade #1FA774 ΔE 0.004
- Seaweed Green #35AD6B ΔE 0.023
- Dark Seafoam Green #3EAF76 ΔE 0.027
- Bluey Green #2BB179 ΔE 0.027
- Jade Green #2BAF6A ΔE 0.028
- Algae #54AC68 ΔE 0.036
- Green Teal #0CB577 ΔE 0.037
- Dark Seafoam #1FB57A ΔE 0.037
Use #1FA873 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.