#BFC34A
Closest named color: Mustard Yellow (#D2BD0A). oklch(79.1% 0.142 111), rgb(191, 195, 74).
Aa
Black text reads best on this color (11.12:1).
About this color
#BFC34A is a light, vivid yellow. In OKLCH its lightness is 79%, its chroma 0.142 and its hue 111°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mustard Yellow (#D2BD0A), ΔE 0.034 away. Black text reads best on it, at 11.12:1.
| Hue family | Yellows |
| Lightness | light (79%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Mustard Yellow (#D2BD0A) |
| Black text | 11.12:1 |
| White text | 1.88:1 |
Values
| HEX | #BFC34A |
| RGB | rgb(191, 195, 74) |
| HSL | hsl(62, 50%, 53%) |
| OKLCH | oklch(79.1% 0.142 111) |
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 #BFC34A | 1.88:1 | Fails | Lc -40.0 | Non-text elements, placeholder text |
| Black text on #BFC34A | 11.12:1 | AAA | Lc 68.1 | Content text, not long reading |
| #BFC34A text on white | 1.88:1 | Fails | Lc 35.8 | Non-text elements, placeholder text |
| #BFC34A text on black | 11.12:1 | AAA | Lc -66.7 | Content text, not long reading |
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 300.
-
Step 50
50
#F6F7E9
oklch(97.2% 0.018 110.1)
-
Step 100
100
#EAEDCE
oklch(93.6% 0.041 111.7)
-
Step 200
200
#DBDFA2
oklch(88.6% 0.079 111)
-
Step 300
300 (this color)
#BFC34A
oklch(79.1% 0.142 111)
-
Step 400
400
#A5A800
oklch(70.6% 0.155 111.1)
-
Step 500
500
#8E9000
oklch(63.1% 0.138 110.8)
-
Step 600
600
#777900
oklch(55.6% 0.122 110.9)
-
Step 700
700
#646600
oklch(49.2% 0.108 111.1)
-
Step 800
800
#525300
oklch(42.7% 0.094 110.6)
-
Step 900
900
#444500
oklch(37.7% 0.083 110.7)
-
Step 950
950
#282900
oklch(27.1% 0.06 111.2)
#BFC34A 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) | #D1BB3B | 0.030 |
| Deuteranopia (no green cones) | #D2BE52 | 0.032 |
| Tritanopia (no blue cones) | #CBB8AA | 0.127 |
| Achromatopsia (no color) | #BDBDBD | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BFC34A
#BFC34A
oklch(79.1% 0.142 111)
- #BBAEFF
#BBAEFF
oklch(79.2% 0.114 290.9)
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 #BFC34A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Yellow #D2BD0A ΔE 0.034
- Olive Yellow #C2B709 ΔE 0.036
- Light Olive #ACBF69 ΔE 0.040
- Light Olive Green #A4BE5C ΔE 0.042
- Dark Yellow #D5B60A ΔE 0.043
- Greenish Tan #BCCB7A ΔE 0.044
- Mustard #CEB301 ΔE 0.044
- Light Moss Green #A6C875 ΔE 0.045
Use #BFC34A 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.